The (a) imagearc and (b) imagefilledarc functions in GD Graphics Library (libgd) before 2.0.35 allow attackers to cause a denial of service (CPU consumption) via a large (1) start or (2) end angle degree value.
https://issues.rpath.com/browse/RPL-1643
https://bugzilla.redhat.com/show_bug.cgi?id=277421
http://www.vupen.com/english/advisories/2011/0022
http://www.trustix.org/errata/2007/0024/
http://www.securityfocus.com/bid/24651
http://www.securityfocus.com/archive/1/478796/100/0/threaded
http://www.redhat.com/archives/fedora-package-announce/2007-September/msg00311.html
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:164
http://www.mandriva.com/security/advisories?name=MDKSA-2007:153
http://www.libgd.org/ReleaseNote020035
http://www.debian.org/security/2008/dsa-1613
http://security.gentoo.org/glsa/glsa-200805-13.xml
http://security.gentoo.org/glsa/glsa-200711-34.xml
http://security.gentoo.org/glsa/glsa-200708-05.xml
http://secunia.com/advisories/42813
http://secunia.com/advisories/31168
http://secunia.com/advisories/30168
http://secunia.com/advisories/26856
http://secunia.com/advisories/26766
http://secunia.com/advisories/26663
http://secunia.com/advisories/26467
http://secunia.com/advisories/26415
http://secunia.com/advisories/26390
http://secunia.com/advisories/26272
http://secunia.com/advisories/25860
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052854.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052848.html