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.
https://security.gentoo.org/glsa/201504-01
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19293
https://bugzilla.mozilla.org/show_bug.cgi?id=897678
http://www.mozilla.org/security/announce/2013/mfsa2013-101.html
http://www.debian.org/security/2013/dsa-2797
http://www.debian.org/security/2013/dsa-2788
http://rhn.redhat.com/errata/RHSA-2013-1480.html
http://rhn.redhat.com/errata/RHSA-2013-1476.html
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html