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libpng: Invalid read when handling empty sCAL chunks

🗓️ 28 Jul 2011 18:09:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

libpng mishandles invalid scale chunks, enabling denial of service via crafted PNGs.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux5i386libpng2:1.2.10-7.1.el5_7.5libpng-2:1.2.10-7.1.el5_7.5.i386.rpm
Red Hat Enterprise Linux5ia64libpng2:1.2.10-7.1.el5_7.5libpng-2:1.2.10-7.1.el5_7.5.ia64.rpm
Red Hat Enterprise Linux5ppclibpng2:1.2.10-7.1.el5_7.5libpng-2:1.2.10-7.1.el5_7.5.ppc.rpm
Red Hat Enterprise Linux5ppc64libpng2:1.2.10-7.1.el5_7.5libpng-2:1.2.10-7.1.el5_7.5.ppc64.rpm
Red Hat Enterprise Linux5s390libpng2:1.2.10-7.1.el5_7.5libpng-2:1.2.10-7.1.el5_7.5.s390.rpm
Red Hat Enterprise Linux5s390xlibpng2:1.2.10-7.1.el5_7.5libpng-2:1.2.10-7.1.el5_7.5.s390x.rpm
Red Hat Enterprise Linux5x86_64libpng2:1.2.10-7.1.el5_7.5libpng-2:1.2.10-7.1.el5_7.5.x86_64.rpm
Red Hat Enterprise Linux5i386libpng-debuginfo2:1.2.10-7.1.el5_7.5libpng-debuginfo-2:1.2.10-7.1.el5_7.5.i386.rpm
Red Hat Enterprise Linux5ia64libpng-debuginfo2:1.2.10-7.1.el5_7.5libpng-debuginfo-2:1.2.10-7.1.el5_7.5.ia64.rpm
Red Hat Enterprise Linux5ppclibpng-debuginfo2:1.2.10-7.1.el5_7.5libpng-debuginfo-2:1.2.10-7.1.el5_7.5.ppc.rpm
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18 Mar 2026 20:56Current
7.5High risk
Vulners AI Score7.5
CVSS 26.8
CVSS 3.18.8
EPSS0.04246
6