RHSA-2011:1105Medium

Red Hat Security Advisory: libpng security update

Published
July 28, 2011
Last Modified
November 7, 2026

🔗 CVE IDs covered (3)

CVE-2011-2501 →CVE-2011-2690 →CVE-2011-2692 →

📋 Description

CVE-2011-2501 — libpng: regression of CVE-2004-0421 in 1.2.23+ CVE-2011-2690 — libpng: buffer overwrite in png_rgb_to_gray CVE-2011-2692 — libpng: Invalid read when handling empty sCAL chunks

🎯 Affected products30

  • Red Hat Enterprise Linux Server (v. 6)
  • Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-2:1.2.46-1.el6_1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-2:1.2.46-1.el6_1.ppc as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-2:1.2.46-1.el6_1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-2:1.2.46-1.el6_1.s390 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-2:1.2.46-1.el6_1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-2:1.2.46-1.el6_1.src as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-2:1.2.46-1.el6_1.src as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-2:1.2.46-1.el6_1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.ppc as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.s390 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-debuginfo-2:1.2.46-1.el6_1.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-devel-2:1.2.46-1.el6_1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-devel-2:1.2.46-1.el6_1.ppc as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-devel-2:1.2.46-1.el6_1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-devel-2:1.2.46-1.el6_1.s390 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-devel-2:1.2.46-1.el6_1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-devel-2:1.2.46-1.el6_1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)
  • libpng-static-2:1.2.46-1.el6_1.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-static-2:1.2.46-1.el6_1.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-static-2:1.2.46-1.el6_1.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)
  • libpng-static-2:1.2.46-1.el6_1.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

✅ Remediation

Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

🔗 References (6)