Multiple vulnerabilities have been reported in Mozilla SeaMonkey, where one has an unknown impact and others can be exploited by malicious people to disclose sensitive information and compromise a user's system.

For more information:
SA47302

Solution
Update to version 2.6.

Provided and/or discovered by
The vendor credits:
1) Alexandre Poirot, Chris Blizzard, Kyle Huey, Scoobidiver, Christian Holler, David Baron, Gary Kwong, Jim Blandy, Bob Clary, Jesse Ruderman, Marcia Knous, and Rober Longson
2) Aki Helin
3) regenrecht via ZDI
4) Mario Heiderich
5) Richard Bateman
6) sczimmer

Original Advisory
Mozilla:
http://www.mozilla.org/security/announce/2011/mfsa2011-53.html
http://www.mozilla.org/security/announce/2011/mfsa2011-54.html
http://www.mozilla.org/security/announce/2011/mfsa2011-55.html
http://www.mozilla.org/security/announce/2011/mfsa2011-56.html
http://www.mozilla.org/security/announce/2011/mfsa2011-57.html
http://www.mozilla.org/security/announce/2011/mfsa2011-58.html

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers