This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu.
Details follow:
Flaws were discovered in Firefox which could lead to crashes during JavaScript garbage collection. If a user were tricked into opening a malicious web page, an attacker may be able to crash the browser or possibly execute arbitrary code with the user's privileges. (CVE-2008-1380)
Solution: The problem can be corrected by upgrading your system to the following package versions: