Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14123
https://exchange.xforce.ibmcloud.com/vulnerabilities/68128
https://bugzilla.mozilla.org/show_bug.cgi?id=646662
https://bugzilla.mozilla.org/show_bug.cgi?id=645572
https://bugzilla.mozilla.org/show_bug.cgi?id=643051
https://bugzilla.mozilla.org/show_bug.cgi?id=642734
https://bugzilla.mozilla.org/show_bug.cgi?id=642338
https://bugzilla.mozilla.org/show_bug.cgi?id=639648
https://bugzilla.mozilla.org/show_bug.cgi?id=629858
https://bugzilla.mozilla.org/show_bug.cgi?id=626262
http://www.ubuntu.com/usn/USN-1149-1
http://www.redhat.com/support/errata/RHSA-2011-0888.html
http://www.redhat.com/support/errata/RHSA-2011-0887.html
http://www.redhat.com/support/errata/RHSA-2011-0886.html
http://www.redhat.com/support/errata/RHSA-2011-0885.html
http://www.mozilla.org/security/announce/2011/mfsa2011-19.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:111
http://www.debian.org/security/2011/dsa-2273
http://www.debian.org/security/2011/dsa-2269
http://www.debian.org/security/2011/dsa-2268
http://support.avaya.com/css/P8/documents/100145333
http://support.avaya.com/css/P8/documents/100144854
http://secunia.com/advisories/45002
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html