RHSA-2026:0321

Vulnerability from csaf_redhat - Published: 2026-01-08 11:29 - Updated: 2026-01-13 22:41
Summary
Red Hat Security Advisory: libpng security update

Notes

Topic
An update for libpng is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. 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
The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files. Security Fix(es): * libpng: LIBPNG buffer overflow (CVE-2025-64720) * libpng: LIBPNG heap buffer overflow (CVE-2025-65018) * libpng: LIBPNG out-of-bounds read in png_image_read_composite (CVE-2025-66293) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) 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.
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-66293"
        },
        {
          "category": "external",
          "summary": "RHBZ#2418711",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418711"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-66293",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-66293"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-66293",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66293"
        },
        {
          "category": "external",
          "summary": "https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1",
          "url": "https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1"
        },
        {
          "category": "external",
          "summary": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a",
          "url": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a"
        },
        {
          "category": "external",
          "summary": "https://github.com/pnggroup/libpng/issues/764",
          "url": "https://github.com/pnggroup/libpng/issues/764"
        },
        {
          "category": "external",
          "summary": "https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f",
          "url": "https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f"
        }
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      "release_date": "2025-12-03T20:33:57.086000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-01-08T11:29:49+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libpng: LIBPNG out-of-bounds read in png_image_read_composite"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.