RHSA-2026:25238
Vulnerability from csaf_redhat - Published: 2026-06-11 11:03 - Updated: 2026-07-12 19:34Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
caddy:
* caddy-2.11.4-0.1.hum1 (aarch64, x86_64)
* caddy-2.11.4-0.1.hum1.src (src)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in quic-go, an implementation of the QUIC protocol in Go. A remote attacker can exploit this by sending specially crafted HTTP/3 trailer fields. This can cause the system to allocate excessive memory, leading to a denial-of-service (DoS) condition where the affected server or client may crash or run out of resources.
7.5 (High)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:caddy-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:caddy-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:caddy-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in OpenTelemetry-Go (before schema package version 0.0.17). ParseFile in go.opentelemetry.io/otel/schema/v1.0 and v1.1 opens a schema file and passes it to Parse without closing it, leaking one file descriptor per successful call. Repeated parsing in a long-running process can exhaust the file descriptor limit and cause denial of service.
4.0 (Medium)
Affected products
Threats
Impact
Low
References
19 references
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"notes": [
{
"category": "description",
"text": "A flaw was found in quic-go, an implementation of the QUIC protocol in Go. A remote attacker can exploit this by sending specially crafted HTTP/3 trailer fields. This can cause the system to allocate excessive memory, leading to a denial-of-service (DoS) condition where the affected server or client may crash or run out of resources.",
"title": "Vulnerability description"
},
{
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"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is an Important denial-of-service flaw in `quic-go` that allows a remote attacker to exhaust system memory by sending specially crafted HTTP/3 trailer fields. This can lead to crashes or resource unavailability in affected Red Hat products utilizing `quic-go` for HTTP/3 communication, impacting both client and server implementations.",
"title": "Statement"
},
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"title": "CVSS score applicability"
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],
"product_status": {
"fixed": [
"Red Hat Hardened Images:caddy-main@aarch64",
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{
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},
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},
{
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
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"Red Hat Hardened Images:caddy-main@src",
"Red Hat Hardened Images:caddy-main@x86_64"
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"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": [
"Red Hat Hardened Images:caddy-main@aarch64",
"Red Hat Hardened Images:caddy-main@src",
"Red Hat Hardened Images:caddy-main@x86_64"
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "github.com/quic-go/quic-go: quic-go: Denial of Service via excessive memory allocation in HTTP/3 trailers"
},
{
"cve": "CVE-2026-45287",
"cwe": {
"id": "CWE-772",
"name": "Missing Release of Resource after Effective Lifetime"
},
"discovery_date": "2026-06-04T16:01:14.155335+00:00",
"ids": [
{
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"notes": [
{
"category": "description",
"text": "A flaw was found in OpenTelemetry-Go (before schema package version 0.0.17). ParseFile in go.opentelemetry.io/otel/schema/v1.0 and v1.1 opens a schema file and passes it to Parse without closing it, leaking one file descriptor per successful call. Repeated parsing in a long-running process can exhaust the file descriptor limit and cause denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "go.opentelemetry.io/otel: go.opentelemetry.io/otel/schema/v1.0: go.opentelemetry.io/otel/schema/v1.1: OpenTelemetry-Go: Denial of Service due to file descriptor leak",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "OpenTelemetry-Go schema parsing is vulnerable to file descriptor leak in ParseFile for otel/schema v1.0 and v1.1. An attacker who can cause repeated schema parsing against an attacker-influenced file path in a long-running Go process may exhaust file descriptors and crash or stall the service. Exposure is limited to applications that expose schema parsing to untrusted paths; many Red Hat Go services bundle the library transitively without hitting this code path.",
"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": [
"Red Hat Hardened Images:caddy-main@aarch64",
"Red Hat Hardened Images:caddy-main@src",
"Red Hat Hardened Images:caddy-main@x86_64"
]
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484831"
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{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45287"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/commit/e72a235518cb773137efd80336a179028bc34684",
"url": "https://github.com/open-telemetry/opentelemetry-go/commit/e72a235518cb773137efd80336a179028bc34684"
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{
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{
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"product_ids": [
"Red Hat Hardened Images:caddy-main@aarch64",
"Red Hat Hardened Images:caddy-main@src",
"Red Hat Hardened Images:caddy-main@x86_64"
],
"restart_required": {
"category": "none"
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"url": "https://access.redhat.com/errata/RHSA-2026:25238"
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 4.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:caddy-main@aarch64",
"Red Hat Hardened Images:caddy-main@src",
"Red Hat Hardened Images:caddy-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "go.opentelemetry.io/otel: go.opentelemetry.io/otel/schema/v1.0: go.opentelemetry.io/otel/schema/v1.1: OpenTelemetry-Go: Denial of Service due to file descriptor leak"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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