liboggplay in Mozilla Firefox 3.5.x before 3.5.6 and SeaMonkey before 2.0.1 might allow context-dependent attackers to cause a denial of service (application crash) or execute arbitrary code via unspecified vectors, related to "memory safety issues."
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01041.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01034.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00995.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8009
https://exchange.xforce.ibmcloud.com/vulnerabilities/54804
https://bugzilla.mozilla.org/show_bug.cgi?id=523816
https://bugzilla.mozilla.org/show_bug.cgi?id=504843
http://www.vupen.com/english/advisories/2009/3547
http://www.ubuntu.com/usn/USN-874-1
http://www.securityfocus.com/bid/37369
http://www.securityfocus.com/bid/37349
http://www.novell.com/linux/security/advisories/2009_63_firefox.html
http://www.mozilla.org/security/announce/2009/mfsa2009-66.html
http://securitytracker.com/id?1023336
http://securitytracker.com/id?1023335
http://secunia.com/advisories/37881
http://secunia.com/advisories/37856