RHSA-2026:3574HighCVSS 7.0

Red Hat Security Advisory: libpng security update

Published
March 3, 2026
Last Modified
July 28, 2026

🔗 CVE IDs covered (3)

CVE-2026-22695 →CVE-2026-22801 →CVE-2026-25646 →

📋 Description

CVE-2026-22695 — libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read CVE-2026-22801 — libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API CVE-2026-25646 — libpng: LIBPNG has a heap buffer overflow in png_set_quantize

🎯 Affected products49

  • Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-2:1.6.37-12.el9_4.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-2:1.6.37-12.el9_4.2.i686 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-2:1.6.37-12.el9_4.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-2:1.6.37-12.el9_4.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-2:1.6.37-12.el9_4.2.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-2:1.6.37-12.el9_4.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.i686 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.i686 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debuginfo-2:1.6.37-12.el9_4.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.i686 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.i686 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-debugsource-2:1.6.37-12.el9_4.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.4)
  • libpng-devel-2:1.6.37-12.el9_4.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-devel-2:1.6.37-12.el9_4.2.i686 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-devel-2:1.6.37-12.el9_4.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • libpng-devel-2:1.6.37-12.el9_4.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • +19 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this issue, users should avoid opening untrusted PNG image files. Applications that process PNG images should be configured to restrict processing of untrusted or unverified content where possible. 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. 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 (6)