Multiple vulnerabilities have been reported in Mozilla SeaMonkey, which can be exploited by malicious people to bypass certain security restrictions, disclose certain sensitive information, and compromise a vulnerable system.

For more information:
SA45581

The vulnerabilities are reported in versions prior to 2.3.

Solution
Update to version 2.3.

Provided and/or discovered by
3, 4) James Forshaw, Context Information Security Ltd
5) regenrecht via ZDI

The vendor credits:
1) Aral Yaman, Vivekanand Bolajwar, and Bert Hubert and Theo Snelleman, Fox-IT
2) Rafael Gieschke
6) Mike Cardwell and Daniel Veditz
7) nasalislarvatus3000

Changelog
Further details available to Secunia VIM customers

Original Advisory
Mozilla (MFSA 2011-33):
http://www.mozilla.org/security/announce/2011/mfsa2011-33.html

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-11-270/

Context Information Security Ltd:
http://archives.neohapsis.com/archives/fulldisclosure/2011-08/0200.html

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers