Portable Network Graphics (PNG) library libpng 1.2.5 and earlier does not correctly calculate offsets, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a buffer overflow attack on the row buffers.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3657
https://exchange.xforce.ibmcloud.com/vulnerabilities/10925
https://bugzilla.fedora.us/show_bug.cgi?id=1943
http://www.securityfocus.com/bid/6431
http://www.redhat.com/support/errata/RHSA-2004-402.html
http://www.redhat.com/support/errata/RHSA-2004-249.html
http://www.redhat.com/support/errata/RHSA-2003-157.html
http://www.redhat.com/support/errata/RHSA-2003-119.html
http://www.redhat.com/support/errata/RHSA-2003-007.html
http://www.redhat.com/support/errata/RHSA-2003-006.html
http://www.novell.com/linux/security/advisories/2003_004_libpng.html
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:063
http://www.debian.org/security/2002/dsa-213
http://frontal2.mandriva.com/security/advisories?name=MDKSA-2003:008