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.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16797
http://www.ubuntu.com/usn/USN-1748-1
http://www.ubuntu.com/usn/USN-1729-2
http://www.ubuntu.com/usn/USN-1729-1
http://www.mozilla.org/security/announce/2013/mfsa2013-25.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html