RHSA-2026:18028MediumCVSS 7.5

Red Hat Security Advisory: libpng security update

Published
May 18, 2026
Last Modified
October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-33416 →

📋 Description

CVE-2026-33416 — libpng: libpng: Arbitrary code execution due to use-after-free vulnerability

🎯 Affected products49

  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-2:1.6.37-12.el9_7.4.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-2:1.6.37-12.el9_7.4.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-2:1.6.37-12.el9_7.4.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-2:1.6.37-12.el9_7.4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-2:1.6.37-12.el9_7.4.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-2:1.6.37-12.el9_7.4.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debuginfo-2:1.6.37-12.el9_7.4.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-debugsource-2:1.6.37-12.el9_7.4.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpng-devel-2:1.6.37-12.el9_7.4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-devel-2:1.6.37-12.el9_7.4.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-devel-2:1.6.37-12.el9_7.4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • libpng-devel-2:1.6.37-12.el9_7.4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • +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 reduce exposure, avoid processing untrusted PNG image files with applications that utilize libpng. Restricting the source of PNG images to trusted origins can limit the attack surface.

🔗 References (4)