Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9508
https://issues.rpath.com/browse/RPL-429
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=183676
http://www.vupen.com/english/advisories/2009/1297
http://www.vupen.com/english/advisories/2007/0381
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
http://www.securityfocus.com/bid/18326
http://www.securityfocus.com/archive/1/436836/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2006-0500.html
http://www.mandriva.com/security/advisories?name=MDKSA-2006:099
http://www.debian.org/security/2006/dsa-1095
http://support.avaya.com/elmodocs2/security/ASA-2006-176.htm
http://support.apple.com/kb/HT3549
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102705-1
http://securitytracker.com/id?1016522
http://secunia.com/advisories/35074
http://secunia.com/advisories/23939
http://secunia.com/advisories/21701
http://secunia.com/advisories/21385
http://secunia.com/advisories/21135
http://secunia.com/advisories/21062
http://secunia.com/advisories/20791
http://secunia.com/advisories/20638
http://secunia.com/advisories/20591
http://secunia.com/advisories/20525
http://lists.suse.com/archive/suse-security-announce/2006-Jun/0012.html
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html