Buffer overflow in the gdImageStringFTEx function in gdft.c in GD Graphics Library 2.0.33 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted string with a JIS encoded font.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11303
http://www.vupen.com/english/advisories/2011/0022
http://www.vupen.com/english/advisories/2007/0400
http://www.ubuntu.com/usn/usn-473-1
http://www.securityfocus.com/bid/22289
http://www.securityfocus.com/archive/1/466166/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2008-0146.html
http://www.redhat.com/support/errata/RHSA-2007-0162.html
http://www.redhat.com/support/errata/RHSA-2007-0153.html
http://secunia.com/advisories/42813
http://secunia.com/advisories/29157
http://secunia.com/advisories/25575
http://secunia.com/advisories/24965
http://secunia.com/advisories/24945
http://secunia.com/advisories/24924
http://secunia.com/advisories/24151
http://secunia.com/advisories/24143
http://secunia.com/advisories/24107
http://secunia.com/advisories/24053
http://secunia.com/advisories/24052
http://secunia.com/advisories/24022
http://secunia.com/advisories/23916
http://rhn.redhat.com/errata/RHSA-2007-0155.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052854.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052848.html