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libpng: Invalid read when handling empty sCAL chunks

🗓️ 28 Jul 2011 18:09:00Reported by RedHatType 
redhat
 redhat
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Libpng mishandles invalid empty sCAL chunks, causing memory corruption or crash via crafted PNG.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux4i386libpng2:1.2.7-8.el4libpng-2:1.2.7-8.el4.i386.rpm
Red Hat Enterprise Linux4ia64libpng2:1.2.7-8.el4libpng-2:1.2.7-8.el4.ia64.rpm
Red Hat Enterprise Linux4ppclibpng2:1.2.7-8.el4libpng-2:1.2.7-8.el4.ppc.rpm
Red Hat Enterprise Linux4ppc64libpng2:1.2.7-8.el4libpng-2:1.2.7-8.el4.ppc64.rpm
Red Hat Enterprise Linux4s390libpng2:1.2.7-8.el4libpng-2:1.2.7-8.el4.s390.rpm
Red Hat Enterprise Linux4s390xlibpng2:1.2.7-8.el4libpng-2:1.2.7-8.el4.s390x.rpm
Red Hat Enterprise Linux4x86_64libpng2:1.2.7-8.el4libpng-2:1.2.7-8.el4.x86_64.rpm
Red Hat Enterprise Linux4i386libpng-debuginfo2:1.2.7-8.el4libpng-debuginfo-2:1.2.7-8.el4.i386.rpm
Red Hat Enterprise Linux4ia64libpng-debuginfo2:1.2.7-8.el4libpng-debuginfo-2:1.2.7-8.el4.ia64.rpm
Red Hat Enterprise Linux4ppclibpng-debuginfo2:1.2.7-8.el4libpng-debuginfo-2:1.2.7-8.el4.ppc.rpm
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25 Jun 2026 10:37Current
7.5High risk
Vulners AI Score7.5
CVSS 26.8
CVSS 3.18.8
EPSS0.04227
5