Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 do not prevent JavaScript workers from reading the browser-profile directory name, which has unspecified impact and remote attack vectors.
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html
https://bugzilla.mozilla.org/show_bug.cgi?id=827193
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16797
http://www.mozilla.org/security/announce/2013/mfsa2013-25.html
http://www.ubuntu.com/usn/USN-1729-1