Use-after-free vulnerability in the nsEditor::IsPreformatted function in editor/libeditor/base/nsEditor.cpp in Mozilla Firefox before 19.0.2, Firefox ESR 17.x before 17.0.4, Thunderbird before 17.0.4, Thunderbird ESR 17.x before 17.0.4, and SeaMonkey before 2.16.1 allows remote attackers to execute arbitrary code via vectors involving an execCommand call.
http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00028.html
http://rhn.redhat.com/errata/RHSA-2013-0614.html
http://rhn.redhat.com/errata/RHSA-2013-0627.html
http://twitter.com/thezdi/statuses/309484730506698752
http://twitter.com/VUPEN/statuses/309505403631325184
http://www.debian.org/security/2013/dsa-2699
http://www.mozilla.org/security/announce/2013/mfsa2013-29.html
http://www.securityfocus.com/bid/58391
http://www.ubuntu.com/usn/USN-1758-1
https://bugzilla.mozilla.org/show_bug.cgi?id=848644
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16737