The Worker::SetEventListener function in the Web workers implementation in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to direct proxies.
lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html
lists.opensuse.org/opensuse-security-announce/2013-11/msg00006.html
lists.opensuse.org/opensuse-security-announce/2013-11/msg00014.html
rhn.redhat.com/errata/RHSA-2013-1476.html
rhn.redhat.com/errata/RHSA-2013-1480.html
www.debian.org/security/2013/dsa-2788
www.debian.org/security/2013/dsa-2797
www.mozilla.org/security/announce/2013/mfsa2013-101.html
bugzilla.mozilla.org/show_bug.cgi?id=897678
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19293
security.gentoo.org/glsa/201504-01