RHSA-2026:43702MediumCVSS 7.5

Red Hat Security Advisory: libpng12 security update

Published
July 22, 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 products31

  • Red Hat Enterprise Linux Server (v. 7 ELS)
  • Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.ppc as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.s390 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-0:1.2.50-10.el7_9.2.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.ppc as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.s390 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libpng12-debuginfo-0:1.2.50-10.el7_9.2.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-devel-0:1.2.50-10.el7_9.2.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-devel-0:1.2.50-10.el7_9.2.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-devel-0:1.2.50-10.el7_9.2.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-devel-0:1.2.50-10.el7_9.2.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-devel-0:1.2.50-10.el7_9.2.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libpng12-devel-0:1.2.50-10.el7_9.2.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • +1 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)