Some vulnerabilities have been reported in Mozilla Firefox, which can be exploited by malicious people to conduct spoofing attacks, bypass certain security restrictions, manipulate certain data, disclose sensitive information, or compromise a user's system.

1) Multiple errors in the browser engine can be exploited to corrupt memory.

2) Multiple errors in the JavaScript engine can be exploited to corrupt memory.

3) Multiple errors in the included liboggplay library can be exploited to corrupt memory.

4) An integer overflow error in the included Theora library can be exploited to cause a heap-based buffer overflow via a specially crafted video file.

5) An error in the implementation of the NTLM authentication protocol can be exploited to reflect the user's NTLM credentials to an arbitrary application.

6) An error when handling HTTP redirections to "https://" URLs can be exploited to incorrectly display SSL indicators for an insecure page.

7) An error when handling invalid URLs can be exploited to place an arbitrary and apparently legitimate URL in the location bar.

8) An error when opening content windows from a chrome window can be exploited to execute arbitrary JavaScript code with chrome privileges via the "window.opener" property.

NOTE: This vulnerability can only be exploited via certain add-ons opening untrusted web content.

9) An error when generating "GeckoActiveXObject()" exception messages can be exploited to determine the presence of COM objects and potentially track a user across browsing sessions.

Solution
Update to version 3.0.16 or 3.5.6.

Provided and/or discovered by
The vendor credits:
1) Jesse Ruderman, Josh Soref, Martijn Wargers, Jose Angel, Olli Pettay, and Jeremy Lea
2) David Mandelin, Gary Kwong, Jason Orendorff, and Igor Bukanov
3) David Keeler and Bob Clary
4) Dan Kaminsky and David Keeler
5) Takehiro Takahashi of IBM X-Force
6) Jonathan Morgan
7) Jordi Chancel
8) David James
9) Gregory Fleischer

Changelog
Further details available in Customer Area

Original Advisory
Mozilla:
http://www.mozilla.org/security/announce/2009/mfsa2009-65.html
http://www.mozilla.org/security/announce/2009/mfsa2009-66.html
http://www.mozilla.org/security/announce/2009/mfsa2009-67.html
http://www.mozilla.org/security/announce/2009/mfsa2009-68.html
http://www.mozilla.org/security/announce/2009/mfsa2009-69.html
http://www.mozilla.org/security/announce/2009/mfsa2009-70.html
http://www.mozilla.org/security/announce/2009/mfsa2009-71.html

Jordi Chancel:
http://www.exploit-db.com/exploits/10544

Deep Links
Links available in Customer Area