RHSA-2025:22969

Vulnerability from csaf_redhat - Published: 2025-12-09 18:20 - Updated: 2026-03-18 03:14
Summary
Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (libwebsockets) security update
Severity
Important
Notes
Topic: An update for libwebsockets is now available for Red Hat OpenStack Platform 17.1 (Wallaby). Red Hat Product Security has rated this update as having 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: Security Fix(es): * Stack-based Buffer Overflow in libwebsockets (CVE-2025-11678) 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.
CVE-2025-11678

A stack based buffer overflow flaw has been discovered in libwebsockets. The vulnerability allows an attacker that can inspect DNS requests made by the victim (e.g. being in the same wireless network) to forge a DNS response packet that overflows the stack and may lead to arbitrary code execution.

7.6 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
CWE-121 - Stack-based Buffer Overflow
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-2025:22969
Workaround 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.
References
To clipboard 

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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libwebsockets: Stack-based Buffer Overflow in libwebsockets"
    }
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}


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  • 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.
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