A security issue and multiple vulnerabilities have been reported in Mozilla SeaMonkey, which can be exploited by malicious, local users to disclose certain sensitive information and by malicious people to bypass certain security restrictions, disclose certain sensitive information, and compromise a user's system.

For more information:
SA47816

Solution
Update to version 2.7.
Original Advisory
Mozilla:
http://www.mozilla.org/security/announce/2012/mfsa2012-01.html
http://www.mozilla.org/security/announce/2012/mfsa2012-03.html
http://www.mozilla.org/security/announce/2012/mfsa2012-04.html
http://www.mozilla.org/security/announce/2012/mfsa2012-05.html
http://www.mozilla.org/security/announce/2012/mfsa2012-06.html
http://www.mozilla.org/security/announce/2012/mfsa2012-07.html
http://www.mozilla.org/security/announce/2012/mfsa2012-08.html
http://www.mozilla.org/security/announce/2012/mfsa2012-09.html

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers