RHSA-2026:7885

Vulnerability from csaf_redhat - Published: 2026-04-29 04:17 - Updated: 2026-05-05 15:08
Summary
Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0.18 (golang-github-openstack-k8s-operators-os-diff) security update
Severity
Moderate
Notes
Topic: An update for golang-github-openstack-k8s-operators-os-diff is now available for Red Hat OpenStack Services on OpenShift 18.0.18 (Antelope). Red Hat Product Security has rated this update as having a security impact of Moderate. 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: Security Fix(es): * github.com/sirupsen/logrus: Denial-of-Service due to large single-line payload (CVE-2025-65637) * Unexpected session resumption in crypto/tls (CVE-2025-68121) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.
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 denial-of-service vulnerability in github.com/sirupsen/logrus occurs when Entry.Writer() processes a single-line payload larger than 64KB with no newline characters. Due to a limitation in Go’s internal bufio.Scanner, the read operation fails with a “token too long” error, causing the underlying writer pipe to close. In affected versions, this leaves the Writer interface unusable and can disrupt logging functionality, potentially degrading application availability.

CWE-400 - Uncontrolled Resource Consumption
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:7885
Workaround Mitigation is either unavailable or does not meet Red Hat Product Security standards for usability, deployment, applicability, or stability.

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security (TLS) session resumption when certificate authority (CA) settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing a client or server to establish a connection that should have been rejected. This could lead to an authentication bypass under specific conditions.

Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:7885

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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-68121"
        },
        {
          "category": "external",
          "summary": "RHBZ#2437111",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2437111"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-68121",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-68121"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-68121",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68121"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/737700",
          "url": "https://go.dev/cl/737700"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/77217",
          "url": "https://go.dev/issue/77217"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/K09ubi9FQFk",
          "url": "https://groups.google.com/g/golang-announce/c/K09ubi9FQFk"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4337",
          "url": "https://pkg.go.dev/vuln/GO-2026-4337"
        }
      ],
      "release_date": "2026-02-05T17:48:44.141000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-29T04:17:03+00:00",
          "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "9Base-RHOSO-18.0:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.src",
            "9Base-RHOSO-18.0:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.x86_64",
            "9Base-RHOSO-TOOLS-18:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.src",
            "9Base-RHOSO-TOOLS-18:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:7885"
        }
      ],
      "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"
          },
          "products": [
            "9Base-RHOSO-18.0:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.src",
            "9Base-RHOSO-18.0:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.x86_64",
            "9Base-RHOSO-TOOLS-18:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.src",
            "9Base-RHOSO-TOOLS-18:golang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260225161428.32d52e7.el9ost.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption"
    }
  ]
}


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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.


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Detection rules are retrieved from Rulezet.

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