RHSA-2026:65106

Vulnerability from csaf_redhat - Published: 2026-09-08 06:50 - Updated: 2026-09-23 12:12
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.0.15
Severity
Important
Notes
Topic: Red Hat OpenShift Service Mesh 3.0.15 This update has a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat OpenShift Service Mesh 3.0.15, which is based on the open source Istio project, addresses a variety of problems in a microservice architecture by creating a centralized point of control in an application. Security Fix(es): * CVE-2026-39825 openshift-service-mesh/istio-proxyv2-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834) * CVE-2026-39825 openshift-service-mesh/istio-pilot-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834) * CVE-2026-39825 openshift-service-mesh/istio-cni-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834) * CVE-2026-39825 openshift-service-mesh/istio-rhel9-operator: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834) * CVE-2026-56859 openshift-service-mesh/istio-proxyv2-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412) * CVE-2026-56859 openshift-service-mesh/istio-pilot-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412) * CVE-2026-56859 openshift-service-mesh/istio-cni-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412) * CVE-2026-56859 openshift-service-mesh/istio-rhel9-operator: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412) * CVE-2026-56853 openshift-service-mesh/istio-proxyv2-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427) * CVE-2026-56853 openshift-service-mesh/istio-pilot-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427) * CVE-2026-56853 openshift-service-mesh/istio-cni-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427) * CVE-2026-56853 openshift-service-mesh/istio-rhel9-operator: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427) * CVE-2026-56858 openshift-service-mesh/istio-proxyv2-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441) * CVE-2026-56858 openshift-service-mesh/istio-pilot-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441) * CVE-2026-56858 openshift-service-mesh/istio-cni-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441) * CVE-2026-56858 openshift-service-mesh/istio-rhel9-operator: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441) * CVE-2026-56862 openshift-service-mesh/istio-proxyv2-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451) * CVE-2026-56862 openshift-service-mesh/istio-pilot-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451) * CVE-2026-56862 openshift-service-mesh/istio-cni-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451) * CVE-2026-56862 openshift-service-mesh/istio-rhel9-operator: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451) * CVE-2026-33818 openshift-service-mesh/istio-proxyv2-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461) * CVE-2026-33818 openshift-service-mesh/istio-pilot-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461) * CVE-2026-33818 openshift-service-mesh/istio-cni-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461) * CVE-2026-33818 openshift-service-mesh/istio-rhel9-operator: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461) * CVE-2026-56860 openshift-service-mesh/istio-proxyv2-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466) * CVE-2026-56860 openshift-service-mesh/istio-pilot-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466) * CVE-2026-56860 openshift-service-mesh/istio-cni-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466) * CVE-2026-56860 openshift-service-mesh/istio-rhel9-operator: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466) * CVE-2026-73513 openshift-service-mesh/istio-proxyv2-rhel9: envoy: HTTP/2 trailers without END_STREAM in oghttp2 cause heap use-after-free (OSSM-15642) * CVE-2026-73552 openshift-service-mesh/istio-proxyv2-rhel9: envoy: RBAC safe_regex fails to match non-UTF-8 HTTP header values (OSSM-15647) * CVE-2026-73547 openshift-service-mesh/istio-proxyv2-rhel9: envoy: ext_authz crash on CONNECT requests without :path pseudo-header (OSSM-15657) * CVE-2026-73549 openshift-service-mesh/istio-proxyv2-rhel9: envoy: scoped IPv6 handling crash for HTTP/3 clients in original DST clusters (OSSM-15662) * CVE-2026-50572 openshift-service-mesh/istio-proxyv2-rhel9: envoy: ext_authz use-after-free after rejecting an HTTP request (OSSM-15667) * CVE-2026-73546 openshift-service-mesh/istio-proxyv2-rhel9: envoy: stored XSS through dynamically generated stat names in admin interface (OSSM-15672) * CVE-2026-73551 openshift-service-mesh/istio-proxyv2-rhel9: envoy: path normalization bypass via dot/dot-dot segments with parameters (OSSM-15682) * CVE-2026-73511 openshift-service-mesh/istio-proxyv2-rhel9: envoy: path matching bypass via per-segment parameters not stripped by router (OSSM-15687) * CVE-2026-73548 openshift-service-mesh/istio-proxyv2-rhel9: envoy: connection poisoning through generic non-WebSocket HTTP upgrade requests (OSSM-15692) * CVE-2026-73550 openshift-service-mesh/istio-proxyv2-rhel9: envoy: HTTP/2 memory exhaustion via discarded Host headers not counted in limits (OSSM-15697) * CVE-2026-73553 openshift-service-mesh/istio-proxyv2-rhel9: envoy: RBAC authorization bypass when path-parameter stripping is enabled (OSSM-15702) Fixes/Improvements: * OpenSSL is using glibc allocator instead of tcmalloc (OSSM-15244) * Treat CRYPTO_set_mem_functions() failure as non-fatal (OSSM-15621)
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CVE-2026-33818

A flaw was found in the `encoding/asn1` package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One (ASN.1) structure, leading to excessive recursion during the `Unmarshal` operation. This could result in stack exhaustion and a Denial of Service (DoS) condition.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:06c59127232704d22fc20bde68bef9ae8ae155ec1d90dd153a6f217f0ae77a88_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:0bcd21ad4d0dd9233972d0343a846343a7830fff981e77092ce0efd4c7dce056_arm64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:114c2d8f805e20e2e1a49f4291b60c513e378f5360ca17d8303e58b2ef1ed9b4_s390x —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db604f1ae63096819cf93f270091d7d23308d152862d1c3121db6b9ed5e155a_ppc64le —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2f20ef03d500268455dda62e017d1aaddcf1ab5bce3e08163afae51e3d9c236b_ppc64le —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6fc69b6b7c9929c3acf00d8ab06a4c1f4f916a8eba1ee22adac376ba3fcf5635_arm64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:8ac0f5ce78617bab61539255e97f182f2a1b1d8491adcae9d27d1757f02c3849_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:c839fa764645c52fd3f40989d231706ef05f63ade536ccb312c4e9718a934c40_s390x —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64 —
Vendor Fix fix
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:25e62cf6f61f23426447448409f44f70272d348787180983cd8fac84a1c2842b_amd64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:64ea3accffb5aae6bba702135c7515e6cba4139a11e7c50d922466bf00702b07_arm64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca3b0ad3adc6cb42dbb3c8e80b55649ef09a6f5b70c6d186cf00360d84dff99c_s390x —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:d25e53e05618055b4817703c27611f7eb36a5862efa21f88b1324414afed06ef_ppc64le —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:054c247a7d49d9d973d6f72fc4cfe1c7742f2243d87b4b518b7b04789a4a24d9_arm64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:7a14702627ed430ec8fd688eaaace7648fc08e2e8277b8ae4a18a9fff94bb5c2_ppc64le —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64 —
Threats
Impact Important
CVE-2026-39825

A flaw was found in the `net/http/httputil` package, specifically within the `ReverseProxy` component. This vulnerability allows the `ReverseProxy` to forward query parameters that are not visible to `Rewrite` functions. This occurs because the `ReverseProxy` does not correctly consider the `url.ParseQuery` limit on the total number of query parameters. A remote attacker could exploit this to send hidden query parameters, potentially bypassing security policies or controls implemented by `Rewrite` functions, leading to information disclosure or unexpected behavior.

6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE-472 - External Control of Assumed-Immutable Web Parameter
Affected products
Fixed 16 products, the same list as for CVE-2026-33818
Known not affected 9 products, the same list as for CVE-2026-33818
Threats
Impact Moderate
CVE-2026-50572

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The relevant scope boundary is that the vulnerable path uses the HTTP ext_authz client; the advisory does not establish the same trigger for unrelated filters. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-416 - Use After Free
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le —
Vendor Fix fix
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:25e62cf6f61f23426447448409f44f70272d348787180983cd8fac84a1c2842b_amd64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:64ea3accffb5aae6bba702135c7515e6cba4139a11e7c50d922466bf00702b07_arm64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca3b0ad3adc6cb42dbb3c8e80b55649ef09a6f5b70c6d186cf00360d84dff99c_s390x —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:d25e53e05618055b4817703c27611f7eb36a5862efa21f88b1324414afed06ef_ppc64le —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:06c59127232704d22fc20bde68bef9ae8ae155ec1d90dd153a6f217f0ae77a88_amd64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:0bcd21ad4d0dd9233972d0343a846343a7830fff981e77092ce0efd4c7dce056_arm64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:114c2d8f805e20e2e1a49f4291b60c513e378f5360ca17d8303e58b2ef1ed9b4_s390x —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db604f1ae63096819cf93f270091d7d23308d152862d1c3121db6b9ed5e155a_ppc64le —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:054c247a7d49d9d973d6f72fc4cfe1c7742f2243d87b4b518b7b04789a4a24d9_arm64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:7a14702627ed430ec8fd688eaaace7648fc08e2e8277b8ae4a18a9fff94bb5c2_ppc64le —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2f20ef03d500268455dda62e017d1aaddcf1ab5bce3e08163afae51e3d9c236b_ppc64le —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6fc69b6b7c9929c3acf00d8ab06a4c1f4f916a8eba1ee22adac376ba3fcf5635_arm64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:8ac0f5ce78617bab61539255e97f182f2a1b1d8491adcae9d27d1757f02c3849_amd64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:c839fa764645c52fd3f40989d231706ef05f63ade536ccb312c4e9718a934c40_s390x —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64 —
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64 —
Threats
Impact Moderate
CVE-2026-56853

A flaw was found in the `net/http` component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the `ReadHeaderTimeout` is not correctly applied during this process. This oversight could allow a remote attacker to maintain open connections indefinitely, potentially leading to a Denial of Service (DoS) by exhausting server resources.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 16 products, the same list as for CVE-2026-33818
Known not affected 9 products, the same list as for CVE-2026-33818
Threats
Impact Important
CVE-2026-56858

A flaw was found in the `html/template` component of Go (golang). Pathological inputs could prematurely close an unescaped forward slash ('/'), allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting (XSS), where malicious scripts are executed in a user's browser, potentially compromising user data or actions.

8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Fixed 16 products, the same list as for CVE-2026-33818
Known not affected 9 products, the same list as for CVE-2026-33818
Threats
Impact Important
CVE-2026-56859

A flaw was found in the `encoding/xml` package of Go. The `DecodeElement` function failed to correctly track recursion depth, which could lead to stack exhaustion. A remote attacker could exploit this vulnerability by providing a specially crafted XML input, resulting in a Denial of Service (DoS) for the affected application.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Affected products
Fixed 16 products, the same list as for CVE-2026-33818
Known not affected 9 products, the same list as for CVE-2026-33818
Threats
Impact Important
CVE-2026-56860

A flaw was found in `net/url`, a component of `golang`. This vulnerability arises when resolving relative paths that contain numerous parent directory ('..') segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory allocation. This can result in a Denial of Service (DoS) due to resource exhaustion.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 16 products, the same list as for CVE-2026-33818
Known not affected 9 products, the same list as for CVE-2026-33818
Threats
Impact Important
CVE-2026-56862

A flaw was found in the `crypto/tls` package, part of `golang`. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service (DoS) condition.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1050 - Excessive Platform Resource Consumption within a Loop
Affected products
Fixed 16 products, the same list as for CVE-2026-33818
Known not affected 9 products, the same list as for CVE-2026-33818
Threats
Impact Important
CVE-2026-73511

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy normally matches the raw request path, while servlet backends such as Apache Tomcat strip semicolon matrix parameters from each path segment before resolving the resource. Envoy's ignore_path_parameters_in_path_matching option instead truncates at the first semicolon and still does not match per-segment backend behavior. A remote client can use a parameterized protected segment, or a parameter on an earlier segment, to make Envoy select an unprotected fallback while the backend resolves the protected resource. The relevant scope boundary is that the bypass requires both a path-based Envoy decision and a backend that strips semicolon parameters per segment. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-706 - Use of Incorrectly-Resolved Name or Reference
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Moderate
CVE-2026-73513

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's optional oghttp2 upstream HTTP/2 codec accepts a response trailer HEADERS frame without END_STREAM. Envoy completes and deferred-deletes the ActiveRequest while oghttp2 keeps the stream open, leaving ClientStreamImpl with a dangling response_decoder_ reference. A later frame on the stream can dispatch through the freed object and crash the process. The relevant scope boundary is that the default nghttp2 codec rejects the malformed trailers, and the trigger is upstream-only with oghttp2 enabled. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-416 - Use After Free
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Important
CVE-2026-73546

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's /stats?format=html admin endpoint uses StatsHtmlRender, which sanitizes string statistic values but emits statistic names without HTML encoding. A data-plane component such as grpc_stats with stats_for_all_methods enabled can incorporate attacker-controlled path segments into cached dynamic statistic names. When an operator views the HTML stats page, the stored name can execute script with the admin interface's origin and issue privileged same-origin requests. The relevant scope boundary is that the admin interface must be browser-accessible and an enabled component must persist attacker-influenced text in statistic names. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Important
CVE-2026-73547

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's ext_authz filter assumes that a request contains a :path pseudoheader when applying query_parameters_to_set or query_parameters_to_remove from an authorization response. A path-less CONNECT request makes request_headers_->Path() return null, and Filter::onComplete dereferences that pointer while parsing the query string. An unauthenticated downstream client can crash the Envoy process when the filter and authorization response use query-parameter mutation. The relevant scope boundary is that the deployment must accept path-less CONNECT and configure ext_authz query-parameter mutation. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 - NULL Pointer Dereference
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Important
CVE-2026-73548

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy forwards data for a configured non-WebSocket HTTP upgrade before the upstream accepts the upgrade. An unauthenticated HTTP/2 client can place a complete HTTP/1.1 request in extended CONNECT data; Envoy downgrades the request, writes the data unframed to a keep-alive HTTP/1.1 upstream, and returns the socket to the shared pool while the smuggled response remains queued. A different downstream client can then receive the attacker's response. The relevant scope boundary is that webSocket upgrades, plain CONNECT, disabled backend keep-alive, per-downstream pools, and max_requests_per_connection set to 1 are not affected by the demonstrated path. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Important
CVE-2026-73549

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's Utility::copyInternetAddressAndPort and QUIC client-address paths reconstruct scoped IPv6 addresses through addressAsString and Ipv6Instance. The string includes a percent scope identifier that inet_pton cannot parse, causing an exception or abort. Kernel-provided scoped IPv6 destinations in ORIGINAL_DST transparent-proxy deployments, and affected QUIC connection paths, can therefore terminate the process. The relevant scope boundary is that the HTTP use_http_header override rejects scoped addresses earlier; the advisory's crash path requires a kernel-provided original destination or the affected QUIC path. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Moderate
CVE-2026-73550

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy copies every decoded HTTP/2 Host header value before discarding it when :authority is already present. The discarded value bypasses saveHeader, so its bytes and count are not charged against request header limits. An unauthenticated client can use HPACK indexing to submit many references to a large Host value across a bounded number of streams, forcing extreme header-copy allocation and causing the proxy to be out-of-memory killed. The relevant scope boundary is that the demonstrated amplification uses HTTP/2 HPACK and the duplicate Host discard behavior. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Important
CVE-2026-73551

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's URL normalization does not recognize dot and dotdot path segments when they carry semicolon parameters. A request such as /user/..;foo=bar/admin is therefore not canonicalized to /admin even when path normalization is enabled. If an upstream interprets the segment according to RFC 3986 while Envoy applies routing or RBAC to the uncollapsed path, a remote client can cause path confusion and bypass path-based security policy. The relevant scope boundary is that the security consequence depends on a downstream/upstream path interpretation mismatch or a path-based Envoy decision. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Moderate
CVE-2026-73552

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy HTTP RBAC accepts RFC-valid opaque header bytes but evaluates safe_regex values with RE2's UTF-8 subject semantics. A downstream client can preserve a prohibited marker and add an unrelated obs-text octet, causing RE2::FullMatch to return false and a negative RBAC policy to treat the invalid subject as an ordinary no-match. A byte-oriented route matcher can still observe the marker, allowing the request to reach a route intended to be denied. The relevant scope boundary is that plain positive ALLOW regexes normally fail closed, and exact, prefix, suffix, and contains matchers are not shown to have this subject-domain failure. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-863 - Incorrect Authorization
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Important
CVE-2026-73553

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, When ignore_path_parameters_in_path_matching is enabled, Envoy's router strips the semicolon suffix before matching but the RBAC url_path matcher evaluates the raw path. A downstream request such as /admin;x can therefore miss a DENY rule for /admin while the router still selects the protected /admin backend. The inconsistent canonicalization allows an unauthenticated client to bypass path-based authorization. The relevant scope boundary is that the route option and a path-based RBAC rule must both be present, and the protected route must match after stripping. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-863 - Incorrect Authorization
Affected products
Fixed 4 products, the same list as for CVE-2026-50572
Known not affected 21 products, the same list as for CVE-2026-50572
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:65106 self
https://access.redhat.com/security/cve/CVE-2026-33818 external
https://access.redhat.com/security/cve/CVE-2026-39825 external
https://access.redhat.com/security/cve/CVE-2026-50572 external
https://access.redhat.com/security/cve/CVE-2026-56853 external
https://access.redhat.com/security/cve/CVE-2026-56858 external
https://access.redhat.com/security/cve/CVE-2026-56859 external
https://access.redhat.com/security/cve/CVE-2026-56860 external
https://access.redhat.com/security/cve/CVE-2026-56862 external
https://access.redhat.com/security/cve/CVE-2026-73511 external
https://access.redhat.com/security/cve/CVE-2026-73513 external
https://access.redhat.com/security/cve/CVE-2026-73546 external
https://access.redhat.com/security/cve/CVE-2026-73547 external
https://access.redhat.com/security/cve/CVE-2026-73548 external
https://access.redhat.com/security/cve/CVE-2026-73549 external
https://access.redhat.com/security/cve/CVE-2026-73550 external
https://access.redhat.com/security/cve/CVE-2026-73551 external
https://access.redhat.com/security/cve/CVE-2026-73552 external
https://access.redhat.com/security/cve/CVE-2026-73553 external
https://access.redhat.com/security/updates/classi… external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-33818 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515815 external
https://www.cve.org/CVERecord?id=CVE-2026-33818 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33818 external
https://go.dev/cl/814980 external
https://go.dev/issue/80405 external
https://groups.google.com/g/golang-announce/c/94p… external
https://pkg.go.dev/vuln/GO-2026-5972 external
https://access.redhat.com/security/cve/CVE-2026-39825 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467823 external
https://www.cve.org/CVERecord?id=CVE-2026-39825 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39825 external
https://go.dev/cl/770541 external
https://go.dev/issue/78948 external
https://groups.google.com/g/golang-announce/c/qcC… external
https://pkg.go.dev/vuln/GO-2026-4976 external
https://access.redhat.com/security/cve/CVE-2026-50572 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512091 external
https://www.cve.org/CVERecord?id=CVE-2026-50572 external
https://nvd.nist.gov/vuln/detail/CVE-2026-50572 external
https://access.redhat.com/security/cve/CVE-2026-56853 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515827 external
https://www.cve.org/CVERecord?id=CVE-2026-56853 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56853 external
https://go.dev/cl/795540 external
https://go.dev/issue/80205 external
https://pkg.go.dev/vuln/GO-2026-6089 external
https://access.redhat.com/security/cve/CVE-2026-56858 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515838 external
https://www.cve.org/CVERecord?id=CVE-2026-56858 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56858 external
https://go.dev/cl/807100 external
https://go.dev/issue/80435 external
https://pkg.go.dev/vuln/GO-2026-6091 external
https://access.redhat.com/security/cve/CVE-2026-56859 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515840 external
https://www.cve.org/CVERecord?id=CVE-2026-56859 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56859 external
https://go.dev/cl/803320 external
https://go.dev/issue/80481 external
https://pkg.go.dev/vuln/GO-2026-6088 external
https://access.redhat.com/security/cve/CVE-2026-56860 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515820 external
https://www.cve.org/CVERecord?id=CVE-2026-56860 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56860 external
https://go.dev/cl/803681 external
https://go.dev/issue/80494 external
https://pkg.go.dev/vuln/GO-2026-6218 external
https://access.redhat.com/security/cve/CVE-2026-56862 self
https://bugzilla.redhat.com/show_bug.cgi?id=2515839 external
https://www.cve.org/CVERecord?id=CVE-2026-56862 external
https://nvd.nist.gov/vuln/detail/CVE-2026-56862 external
https://go.dev/cl/804261 external
https://go.dev/issue/80528 external
https://pkg.go.dev/vuln/GO-2026-6090 external
https://access.redhat.com/security/cve/CVE-2026-73511 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512095 external
https://www.cve.org/CVERecord?id=CVE-2026-73511 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73511 external
https://access.redhat.com/security/cve/CVE-2026-73513 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512086 external
https://www.cve.org/CVERecord?id=CVE-2026-73513 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73513 external
https://access.redhat.com/security/cve/CVE-2026-73546 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512092 external
https://www.cve.org/CVERecord?id=CVE-2026-73546 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73546 external
https://access.redhat.com/security/cve/CVE-2026-73547 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512089 external
https://www.cve.org/CVERecord?id=CVE-2026-73547 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73547 external
https://access.redhat.com/security/cve/CVE-2026-73548 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512096 external
https://www.cve.org/CVERecord?id=CVE-2026-73548 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73548 external
https://access.redhat.com/security/cve/CVE-2026-73549 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512090 external
https://www.cve.org/CVERecord?id=CVE-2026-73549 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73549 external
https://access.redhat.com/security/cve/CVE-2026-73550 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512097 external
https://www.cve.org/CVERecord?id=CVE-2026-73550 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73550 external
https://access.redhat.com/security/cve/CVE-2026-73551 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512094 external
https://www.cve.org/CVERecord?id=CVE-2026-73551 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73551 external
https://access.redhat.com/security/cve/CVE-2026-73552 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512087 external
https://www.cve.org/CVERecord?id=CVE-2026-73552 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73552 external
https://access.redhat.com/security/cve/CVE-2026-73553 self
https://bugzilla.redhat.com/show_bug.cgi?id=2512098 external
https://www.cve.org/CVERecord?id=CVE-2026-73553 external
https://nvd.nist.gov/vuln/detail/CVE-2026-73553 external
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Red Hat OpenShift Service Mesh 3.0.15\n\nThis update has a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat OpenShift Service Mesh 3.0.15, which is based on the open source Istio project, addresses a variety of problems in a microservice architecture by creating a centralized point of control in an application.\n\nSecurity Fix(es):\n\n* CVE-2026-39825 openshift-service-mesh/istio-proxyv2-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834)\n* CVE-2026-39825 openshift-service-mesh/istio-pilot-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834)\n* CVE-2026-39825 openshift-service-mesh/istio-cni-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834)\n* CVE-2026-39825 openshift-service-mesh/istio-rhel9-operator: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15834)\n* CVE-2026-56859 openshift-service-mesh/istio-proxyv2-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412)\n* CVE-2026-56859 openshift-service-mesh/istio-pilot-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412)\n* CVE-2026-56859 openshift-service-mesh/istio-cni-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412)\n* CVE-2026-56859 openshift-service-mesh/istio-rhel9-operator: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15412)\n* CVE-2026-56853 openshift-service-mesh/istio-proxyv2-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427)\n* CVE-2026-56853 openshift-service-mesh/istio-pilot-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427)\n* CVE-2026-56853 openshift-service-mesh/istio-cni-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427)\n* CVE-2026-56853 openshift-service-mesh/istio-rhel9-operator: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15427)\n* CVE-2026-56858 openshift-service-mesh/istio-proxyv2-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441)\n* CVE-2026-56858 openshift-service-mesh/istio-pilot-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441)\n* CVE-2026-56858 openshift-service-mesh/istio-cni-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441)\n* CVE-2026-56858 openshift-service-mesh/istio-rhel9-operator: Go html/template: Cross-Site Scripting via pathological input (OSSM-15441)\n* CVE-2026-56862 openshift-service-mesh/istio-proxyv2-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451)\n* CVE-2026-56862 openshift-service-mesh/istio-pilot-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451)\n* CVE-2026-56862 openshift-service-mesh/istio-cni-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451)\n* CVE-2026-56862 openshift-service-mesh/istio-rhel9-operator: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15451)\n* CVE-2026-33818 openshift-service-mesh/istio-proxyv2-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461)\n* CVE-2026-33818 openshift-service-mesh/istio-pilot-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461)\n* CVE-2026-33818 openshift-service-mesh/istio-cni-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461)\n* CVE-2026-33818 openshift-service-mesh/istio-rhel9-operator: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15461)\n* CVE-2026-56860 openshift-service-mesh/istio-proxyv2-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466)\n* CVE-2026-56860 openshift-service-mesh/istio-pilot-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466)\n* CVE-2026-56860 openshift-service-mesh/istio-cni-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466)\n* CVE-2026-56860 openshift-service-mesh/istio-rhel9-operator: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15466)\n* CVE-2026-73513 openshift-service-mesh/istio-proxyv2-rhel9: envoy: HTTP/2 trailers without END_STREAM in oghttp2 cause heap use-after-free (OSSM-15642)\n* CVE-2026-73552 openshift-service-mesh/istio-proxyv2-rhel9: envoy: RBAC safe_regex fails to match non-UTF-8 HTTP header values (OSSM-15647)\n* CVE-2026-73547 openshift-service-mesh/istio-proxyv2-rhel9: envoy: ext_authz crash on CONNECT requests without :path pseudo-header (OSSM-15657)\n* CVE-2026-73549 openshift-service-mesh/istio-proxyv2-rhel9: envoy: scoped IPv6 handling crash for HTTP/3 clients in original DST clusters (OSSM-15662)\n* CVE-2026-50572 openshift-service-mesh/istio-proxyv2-rhel9: envoy: ext_authz use-after-free after rejecting an HTTP request (OSSM-15667)\n* CVE-2026-73546 openshift-service-mesh/istio-proxyv2-rhel9: envoy: stored XSS through dynamically generated stat names in admin interface (OSSM-15672)\n* CVE-2026-73551 openshift-service-mesh/istio-proxyv2-rhel9: envoy: path normalization bypass via dot/dot-dot segments with parameters (OSSM-15682)\n* CVE-2026-73511 openshift-service-mesh/istio-proxyv2-rhel9: envoy: path matching bypass via per-segment parameters not stripped by router (OSSM-15687)\n* CVE-2026-73548 openshift-service-mesh/istio-proxyv2-rhel9: envoy: connection poisoning through generic non-WebSocket HTTP upgrade requests (OSSM-15692)\n* CVE-2026-73550 openshift-service-mesh/istio-proxyv2-rhel9: envoy: HTTP/2 memory exhaustion via discarded Host headers not counted in limits (OSSM-15697)\n* CVE-2026-73553 openshift-service-mesh/istio-proxyv2-rhel9: envoy: RBAC authorization bypass when path-parameter stripping is enabled (OSSM-15702)\n\nFixes/Improvements:\n\n* OpenSSL is using glibc allocator instead of tcmalloc (OSSM-15244)\n* Treat CRYPTO_set_mem_functions() failure as non-fatal (OSSM-15621)",
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          "category": "description",
          "text": "A flaw was found in the `encoding/asn1` package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One (ASN.1) structure, leading to excessive recursion during the `Unmarshal` operation. This could result in stack exhaustion and a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
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          "text": "encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in the Go encoding/asn1 package, as it can be triggered remotely without authentication. An attacker can provide a malformed ASN.1 structure, causing excessive recursion during unmarshalling and leading to stack exhaustion, which can render the service unavailable.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64"
        ],
        "known_not_affected": [
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:64ea3accffb5aae6bba702135c7515e6cba4139a11e7c50d922466bf00702b07_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca3b0ad3adc6cb42dbb3c8e80b55649ef09a6f5b70c6d186cf00360d84dff99c_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:d25e53e05618055b4817703c27611f7eb36a5862efa21f88b1324414afed06ef_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:054c247a7d49d9d973d6f72fc4cfe1c7742f2243d87b4b518b7b04789a4a24d9_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:7a14702627ed430ec8fd688eaaace7648fc08e2e8277b8ae4a18a9fff94bb5c2_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515815",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515815"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33818",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/814980",
          "url": "https://go.dev/cl/814980"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80405",
          "url": "https://go.dev/issue/80405"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5972",
          "url": "https://pkg.go.dev/vuln/GO-2026-5972"
        }
      ],
      "release_date": "2026-08-13T21:58:52.821000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:0bcd21ad4d0dd9233972d0343a846343a7830fff981e77092ce0efd4c7dce056_arm64",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal"
    },
    {
      "cve": "CVE-2026-39825",
      "cwe": {
        "id": "CWE-472",
        "name": "External Control of Assumed-Immutable Web Parameter"
      },
      "discovery_date": "2026-05-07T20:01:37.714133+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2467823"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net/http/httputil` package, specifically within the `ReverseProxy` component. This vulnerability allows the `ReverseProxy` to forward query parameters that are not visible to `Rewrite` functions. This occurs because the `ReverseProxy` does not correctly consider the `url.ParseQuery` limit on the total number of query parameters. A remote attacker could exploit this to send hidden query parameters, potentially bypassing security policies or controls implemented by `Rewrite` functions, leading to information disclosure or unexpected behavior.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/http/httputil: golang: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A flaw was found in Go\u0027s net/http/httputil package where ReverseProxy can forward query parameters that are hidden from Rewrite or Director functions. This occurs when the number of query parameters exceeds the url.ParseQuery limit (controlled by the GODEBUG setting urlmaxqueryparams). While Red Hat ships Go-based components across many products, exploitation requires that an application use ReverseProxy with a Rewrite or Director function that relies on query parameter inspection for security enforcement, which limits the practical impact of this vulnerability.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6fc69b6b7c9929c3acf00d8ab06a4c1f4f916a8eba1ee22adac376ba3fcf5635_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:8ac0f5ce78617bab61539255e97f182f2a1b1d8491adcae9d27d1757f02c3849_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:c839fa764645c52fd3f40989d231706ef05f63ade536ccb312c4e9718a934c40_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64"
        ],
        "known_not_affected": [
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:25e62cf6f61f23426447448409f44f70272d348787180983cd8fac84a1c2842b_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:64ea3accffb5aae6bba702135c7515e6cba4139a11e7c50d922466bf00702b07_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca3b0ad3adc6cb42dbb3c8e80b55649ef09a6f5b70c6d186cf00360d84dff99c_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:d25e53e05618055b4817703c27611f7eb36a5862efa21f88b1324414afed06ef_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:054c247a7d49d9d973d6f72fc4cfe1c7742f2243d87b4b518b7b04789a4a24d9_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:7a14702627ed430ec8fd688eaaace7648fc08e2e8277b8ae4a18a9fff94bb5c2_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-39825"
        },
        {
          "category": "external",
          "summary": "RHBZ#2467823",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467823"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-39825",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-39825"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-39825",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39825"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/770541",
          "url": "https://go.dev/cl/770541"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/78948",
          "url": "https://go.dev/issue/78948"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
          "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4976",
          "url": "https://pkg.go.dev/vuln/GO-2026-4976"
        }
      ],
      "release_date": "2026-05-07T19:41:18.453000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:06c59127232704d22fc20bde68bef9ae8ae155ec1d90dd153a6f217f0ae77a88_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:0bcd21ad4d0dd9233972d0343a846343a7830fff981e77092ce0efd4c7dce056_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:114c2d8f805e20e2e1a49f4291b60c513e378f5360ca17d8303e58b2ef1ed9b4_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db604f1ae63096819cf93f270091d7d23308d152862d1c3121db6b9ed5e155a_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2f20ef03d500268455dda62e017d1aaddcf1ab5bce3e08163afae51e3d9c236b_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6fc69b6b7c9929c3acf00d8ab06a4c1f4f916a8eba1ee22adac376ba3fcf5635_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:8ac0f5ce78617bab61539255e97f182f2a1b1d8491adcae9d27d1757f02c3849_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:c839fa764645c52fd3f40989d231706ef05f63ade536ccb312c4e9718a934c40_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        },
        {
          "category": "workaround",
          "details": "Increase the maximum number of query parameters allowed by setting the GODEBUG environment variable `urlmaxqueryparams` to a higher value (e.g., `GODEBUG=urlmaxqueryparams=20000`), or validate and enforce security controls on query parameters at the backend service rather than relying solely on the ReverseProxy\u0027s Rewrite or Director function for security filtering.",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:d25e53e05618055b4817703c27611f7eb36a5862efa21f88b1324414afed06ef_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:06c59127232704d22fc20bde68bef9ae8ae155ec1d90dd153a6f217f0ae77a88_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:0bcd21ad4d0dd9233972d0343a846343a7830fff981e77092ce0efd4c7dce056_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:114c2d8f805e20e2e1a49f4291b60c513e378f5360ca17d8303e58b2ef1ed9b4_s390x",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "net/http/httputil: golang: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls"
    },
    {
      "cve": "CVE-2026-50572",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512091"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy\u0027s HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The relevant scope boundary is that the vulnerable path uses the HTTP ext_authz client; the advisory does not establish the same trigger for unrelated filters. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: ext_authz use-after-free after rejecting an HTTP request",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-50572"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512091",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512091"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-50572",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-50572"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-50572",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50572"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: ext_authz use-after-free after rejecting an HTTP request"
    },
    {
      "cve": "CVE-2026-56853",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-13T22:14:53.561638+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515827"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net/http` component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the `ReadHeaderTimeout` is not correctly applied during this process. This oversight could allow a remote attacker to maintain open connections indefinitely, potentially leading to a Denial of Service (DoS) by exhausting server resources.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Important: Unencrypted HTTP/2 servers are susceptible to a denial of service due to improper handling of ReadHeaderTimeout during the client preface reading phase. This can lead to resource exhaustion and service unavailability in affected Red Hat products configured to support unencrypted HTTP/2.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56853"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515827",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515827"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56853",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56853"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56853",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56853"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/795540",
          "url": "https://go.dev/cl/795540"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80205",
          "url": "https://go.dev/issue/80205"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6089",
          "url": "https://pkg.go.dev/vuln/GO-2026-6089"
        }
      ],
      "release_date": "2026-08-13T21:58:53.092000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service"
    },
    {
      "cve": "CVE-2026-56858",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2026-08-13T22:16:32.034590+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515838"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `html/template` component of Go (golang). Pathological inputs could prematurely close an unescaped forward slash (\u0027/\u0027), allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting (XSS), where malicious scripts are executed in a user\u0027s browser, potentially compromising user data or actions.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "html/template: golang: Go html/template: Cross-Site Scripting via pathological input",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important cross-site scripting (XSS) vulnerability in the Go `html/template` package. Applications utilizing this package to render untrusted input are susceptible to arbitrary content injection due to a flaw in how pathological inputs are handled, potentially leading to client-side script execution.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56858"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515838",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515838"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56858",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56858"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56858",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56858"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/807100",
          "url": "https://go.dev/cl/807100"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80435",
          "url": "https://go.dev/issue/80435"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6091",
          "url": "https://pkg.go.dev/vuln/GO-2026-6091"
        }
      ],
      "release_date": "2026-08-13T21:58:53.354000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "html/template: golang: Go html/template: Cross-Site Scripting via pathological input"
    },
    {
      "cve": "CVE-2026-56859",
      "cwe": {
        "id": "CWE-776",
        "name": "Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)"
      },
      "discovery_date": "2026-08-13T22:16:52.493058+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:25e62cf6f61f23426447448409f44f70272d348787180983cd8fac84a1c2842b_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:64ea3accffb5aae6bba702135c7515e6cba4139a11e7c50d922466bf00702b07_arm64",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:d25e53e05618055b4817703c27611f7eb36a5862efa21f88b1324414afed06ef_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:054c247a7d49d9d973d6f72fc4cfe1c7742f2243d87b4b518b7b04789a4a24d9_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:7a14702627ed430ec8fd688eaaace7648fc08e2e8277b8ae4a18a9fff94bb5c2_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515840"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `encoding/xml` package of Go. The `DecodeElement` function failed to correctly track recursion depth, which could lead to stack exhaustion. A remote attacker could exploit this vulnerability by providing a specially crafted XML input, resulting in a Denial of Service (DoS) for the affected application.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "An Important denial of service flaw affects applications utilizing the Go `encoding/xml` package. This vulnerability arises from an issue in XML decoding where a recursion depth counter fails to reset, potentially leading to stack exhaustion when processing malicious XML input.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:c839fa764645c52fd3f40989d231706ef05f63ade536ccb312c4e9718a934c40_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le",
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64",
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        ],
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:64ea3accffb5aae6bba702135c7515e6cba4139a11e7c50d922466bf00702b07_arm64",
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:054c247a7d49d9d973d6f72fc4cfe1c7742f2243d87b4b518b7b04789a4a24d9_arm64",
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56859"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515840",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515840"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56859",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56859"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56859",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56859"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/803320",
          "url": "https://go.dev/cl/803320"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80481",
          "url": "https://go.dev/issue/80481"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6088",
          "url": "https://pkg.go.dev/vuln/GO-2026-6088"
        }
      ],
      "release_date": "2026-08-13T21:58:52.959000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue"
    },
    {
      "cve": "CVE-2026-56860",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-13T22:13:18.319384+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515820"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in `net/url`, a component of `golang`. This vulnerability arises when resolving relative paths that contain numerous parent directory (\u0027..\u0027) segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory allocation. This can result in a Denial of Service (DoS) due to resource exhaustion.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in the Go `net/url` package. Applications built with Go that process untrusted URLs containing parent directory segments (\u0027..\u0027) may be vulnerable to excessive resource consumption due to quadratic time complexity in path resolution. This can lead to a denial of service, impacting the availability of affected services.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56860"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515820",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515820"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56860",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56860"
        },
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56860",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56860"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/803681",
          "url": "https://go.dev/cl/803681"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80494",
          "url": "https://go.dev/issue/80494"
        },
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          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
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          "summary": "https://pkg.go.dev/vuln/GO-2026-6218",
          "url": "https://pkg.go.dev/vuln/GO-2026-6218"
        }
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      "release_date": "2026-08-13T21:58:53.731000+00:00",
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution"
    },
    {
      "cve": "CVE-2026-56862",
      "cwe": {
        "id": "CWE-1050",
        "name": "Excessive Platform Resource Consumption within a Loop"
      },
      "discovery_date": "2026-08-13T22:16:41.928450+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515839"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `crypto/tls` package, part of `golang`. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the `golang` `crypto/tls` package. A remote, unauthenticated attacker can exploit this flaw by continuously sending `KeyUpdate` messages during a TLS handshake, forcing the server to perform indefinite key derivation operations. This resource exhaustion can lead to a denial of service for applications and services in Red Hat products that use the affected `crypto/tls` library and are exposed to untrusted network clients.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56862"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515839",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515839"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56862",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56862"
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          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56862"
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          "category": "external",
          "summary": "https://go.dev/cl/804261",
          "url": "https://go.dev/cl/804261"
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          "category": "external",
          "summary": "https://go.dev/issue/80528",
          "url": "https://go.dev/issue/80528"
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          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
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          "url": "https://pkg.go.dev/vuln/GO-2026-6090"
        }
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      "release_date": "2026-08-13T21:58:53.216000+00:00",
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          "date": "2026-09-08T06:50:08+00:00",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages"
    },
    {
      "cve": "CVE-2026-73511",
      "cwe": {
        "id": "CWE-706",
        "name": "Use of Incorrectly-Resolved Name or Reference"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512095"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy normally matches the raw request path, while servlet backends such as Apache Tomcat strip semicolon matrix parameters from each path segment before resolving the resource. Envoy\u0027s ignore_path_parameters_in_path_matching option instead truncates at the first semicolon and still does not match per-segment backend behavior. A remote client can use a parameterized protected segment, or a parameter on an earlier segment, to make Envoy select an unprotected fallback while the backend resolves the protected resource. The relevant scope boundary is that the bypass requires both a path-based Envoy decision and a backend that strips semicolon parameters per segment. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: path matching bypass via per-segment parameters not stripped by router",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73511"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512095",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512095"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73511",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73511"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73511",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73511"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: path matching bypass via per-segment parameters not stripped by router"
    },
    {
      "cve": "CVE-2026-73513",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512086"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy\u0027s optional oghttp2 upstream HTTP/2 codec accepts a response trailer HEADERS frame without END_STREAM. Envoy completes and deferred-deletes the ActiveRequest while oghttp2 keeps the stream open, leaving ClientStreamImpl with a dangling response_decoder_ reference. A later frame on the stream can dispatch through the freed object and crash the process. The relevant scope boundary is that the default nghttp2 codec rejects the malformed trailers, and the trigger is upstream-only with oghttp2 enabled. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: HTTP/2 trailers without END_STREAM in oghttp2 cause heap use-after-free",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73513"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512086",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512086"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73513",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73513"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73513",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73513"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: HTTP/2 trailers without END_STREAM in oghttp2 cause heap use-after-free"
    },
    {
      "cve": "CVE-2026-73546",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512092"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy\u0027s /stats?format=html admin endpoint uses StatsHtmlRender, which sanitizes string statistic values but emits statistic names without HTML encoding. A data-plane component such as grpc_stats with stats_for_all_methods enabled can incorporate attacker-controlled path segments into cached dynamic statistic names. When an operator views the HTML stats page, the stored name can execute script with the admin interface\u0027s origin and issue privileged same-origin requests. The relevant scope boundary is that the admin interface must be browser-accessible and an enabled component must persist attacker-influenced text in statistic names. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: stored XSS through dynamically generated stat names in admin interface",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73546"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512092",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512092"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73546",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73546"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73546",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73546"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: stored XSS through dynamically generated stat names in admin interface"
    },
    {
      "cve": "CVE-2026-73547",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512089"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy\u0027s ext_authz filter assumes that a request contains a :path pseudoheader when applying query_parameters_to_set or query_parameters_to_remove from an authorization response. A path-less CONNECT request makes request_headers_-\u003ePath() return null, and Filter::onComplete dereferences that pointer while parsing the query string. An unauthenticated downstream client can crash the Envoy process when the filter and authorization response use query-parameter mutation. The relevant scope boundary is that the deployment must accept path-less CONNECT and configure ext_authz query-parameter mutation. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: ext_authz crash on CONNECT requests without :path pseudo-header",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "url": "https://access.redhat.com/security/cve/CVE-2026-73547"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512089",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512089"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73547",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73547"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73547",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73547"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: ext_authz crash on CONNECT requests without :path pseudo-header"
    },
    {
      "cve": "CVE-2026-73548",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512096"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy forwards data for a configured non-WebSocket HTTP upgrade before the upstream accepts the upgrade. An unauthenticated HTTP/2 client can place a complete HTTP/1.1 request in extended CONNECT data; Envoy downgrades the request, writes the data unframed to a keep-alive HTTP/1.1 upstream, and returns the socket to the shared pool while the smuggled response remains queued. A different downstream client can then receive the attacker\u0027s response. The relevant scope boundary is that webSocket upgrades, plain CONNECT, disabled backend keep-alive, per-downstream pools, and max_requests_per_connection set to 1 are not affected by the demonstrated path. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: connection poisoning through generic non-WebSocket HTTP upgrade requests",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73548"
        },
        {
          "category": "external",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512096"
        },
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73548",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73548"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73548",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73548"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: connection poisoning through generic non-WebSocket HTTP upgrade requests"
    },
    {
      "cve": "CVE-2026-73549",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512090"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy\u0027s Utility::copyInternetAddressAndPort and QUIC client-address paths reconstruct scoped IPv6 addresses through addressAsString and Ipv6Instance. The string includes a percent scope identifier that inet_pton cannot parse, causing an exception or abort. Kernel-provided scoped IPv6 destinations in ORIGINAL_DST transparent-proxy deployments, and affected QUIC connection paths, can therefore terminate the process. The relevant scope boundary is that the HTTP use_http_header override rejects scoped addresses earlier; the advisory\u0027s crash path requires a kernel-provided original destination or the affected QUIC path. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: scoped IPv6 handling crash for HTTP/3 clients in original DST clusters",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73549"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512090",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512090"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73549",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73549"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73549",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73549"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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        }
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          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: scoped IPv6 handling crash for HTTP/3 clients in original DST clusters"
    },
    {
      "cve": "CVE-2026-73550",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
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          ]
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512097"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy copies every decoded HTTP/2 Host header value before discarding it when :authority is already present. The discarded value bypasses saveHeader, so its bytes and count are not charged against request header limits. An unauthenticated client can use HPACK indexing to submit many references to a large Host value across a bounded number of streams, forcing extreme header-copy allocation and causing the proxy to be out-of-memory killed. The relevant scope boundary is that the demonstrated amplification uses HTTP/2 HPACK and the duplicate Host discard behavior. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: HTTP/2 memory exhaustion via discarded Host headers not counted in limits",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73550"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512097",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512097"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73550",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73550"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73550",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73550"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: HTTP/2 memory exhaustion via discarded Host headers not counted in limits"
    },
    {
      "cve": "CVE-2026-73551",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512094"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy\u0027s URL normalization does not recognize dot and dotdot path segments when they carry semicolon parameters. A request such as /user/..;foo=bar/admin is therefore not canonicalized to /admin even when path normalization is enabled. If an upstream interprets the segment according to RFC 3986 while Envoy applies routing or RBAC to the uncollapsed path, a remote client can cause path confusion and bypass path-based security policy. The relevant scope boundary is that the security consequence depends on a downstream/upstream path interpretation mismatch or a path-based Envoy decision. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: path normalization bypass via dot/dot-dot segments with parameters",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73551"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512094",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512094"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73551",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73551"
        },
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73551",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73551"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
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          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
        }
      ],
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: path normalization bypass via dot/dot-dot segments with parameters"
    },
    {
      "cve": "CVE-2026-73552",
      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512087"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy HTTP RBAC accepts RFC-valid opaque header bytes but evaluates safe_regex values with RE2\u0027s UTF-8 subject semantics. A downstream client can preserve a prohibited marker and add an unrelated obs-text octet, causing RE2::FullMatch to return false and a negative RBAC policy to treat the invalid subject as an ordinary no-match. A byte-oriented route matcher can still observe the marker, allowing the request to reach a route intended to be denied. The relevant scope boundary is that plain positive ALLOW regexes normally fail closed, and exact, prefix, suffix, and contains matchers are not shown to have this subject-domain failure. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: RBAC safe_regex fails to match non-UTF-8 HTTP header values",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73552"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512087",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512087"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73552",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73552"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73552",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73552"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: RBAC safe_regex fails to match non-UTF-8 HTTP header values"
    },
    {
      "cve": "CVE-2026-73553",
      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512098"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, When ignore_path_parameters_in_path_matching is enabled, Envoy\u0027s router strips the semicolon suffix before matching but the RBAC url_path matcher evaluates the raw path. A downstream request such as /admin;x can therefore miss a DENY rule for /admin while the router still selects the protected /admin backend. The inconsistent canonicalization allows an unauthenticated client to bypass path-based authorization. The relevant scope boundary is that the route option and a path-based RBAC rule must both be present, and the protected route must match after stripping. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: RBAC authorization bypass when path-parameter stripping is enabled",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73553"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512098",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512098"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73553",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73553"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73553",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73553"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2026-09-08T06:50:08+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.15 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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          "url": "https://access.redhat.com/errata/RHSA-2026:65106"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:d25e53e05618055b4817703c27611f7eb36a5862efa21f88b1324414afed06ef_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:06c59127232704d22fc20bde68bef9ae8ae155ec1d90dd153a6f217f0ae77a88_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:0bcd21ad4d0dd9233972d0343a846343a7830fff981e77092ce0efd4c7dce056_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:114c2d8f805e20e2e1a49f4291b60c513e378f5360ca17d8303e58b2ef1ed9b4_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db604f1ae63096819cf93f270091d7d23308d152862d1c3121db6b9ed5e155a_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0191fd74aab21fb7482f2bfdb57b08884910cd00c968f5f03df260bb3e137c6b_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:054c247a7d49d9d973d6f72fc4cfe1c7742f2243d87b4b518b7b04789a4a24d9_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:7a14702627ed430ec8fd688eaaace7648fc08e2e8277b8ae4a18a9fff94bb5c2_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:abd08e5193631af6fce57869a8bf19bc46f501146fe1260e6cb616811783f1a5_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2f20ef03d500268455dda62e017d1aaddcf1ab5bce3e08163afae51e3d9c236b_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6fc69b6b7c9929c3acf00d8ab06a4c1f4f916a8eba1ee22adac376ba3fcf5635_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:8ac0f5ce78617bab61539255e97f182f2a1b1d8491adcae9d27d1757f02c3849_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:c839fa764645c52fd3f40989d231706ef05f63ade536ccb312c4e9718a934c40_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:0b21488cd868210ed7e8cba745414e4daf40483e8cebe6058a34cbda83b11cfd_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:13c0b9cb79e8475fdc40865ba1b68997afdc03bc2ed0bc1e0ed67f581f63fb68_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:33fec0cbbd8c276d1db10f7461adf93f4cafbf6703c184532180dea8e76c4e77_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:d4344eb4b4c6ce9ac5219dbb2d556a3c54f82bc39358158ba8ca5d395e92457a_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:25e3039cd79737181a25ee29af17717e2faef25bde8f8bb02ae7efa808362746_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4f3ddd104108a77c679f5c0097d9cd18cdc56b4b4ad3727334fe60cd2f054fae_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7f1de9aea1dff65a8b1b3c5f8574a2fc6cce7d8ee1425118a34289d7ec109367_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8d6ea9cb2913c606aceac872e41b40b2d2435eba77361995b95403721c03c633_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:a539d099456345ff3d70c00305931a5e79066a84f9cf76c187d748a908848cae_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: RBAC authorization bypass when path-parameter stripping is enabled"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.