USN-149-1 fixed some vulnerabilities in the Ubuntu 5.04 (Hoary Hedgehog) version of Firefox. The version shipped with Ubuntu 4.10 (Warty Warthog) is also vulnerable to these flaws, so it needs to be upgraded as well. Please see
http://www.ubuntulinux.org/support/documentation/usn/usn-149-1
28 July 2005
A security issue affects these releases of Ubuntu and its derivatives:
USN-149-1 fixed some vulnerabilities in the Ubuntu 5.04 (Hoary Hedgehog) version of Firefox. The version shipped with Ubuntu 4.10 (Warty Warthog) is also vulnerable to these flaws, so it needs to be upgraded as well. Please see
http://www.ubuntulinux.org/support/documentation/usn/usn-149-1
for the original advisory.
This update also fixes several older vulnerabilities; Some of them could be exploited to execute arbitrary code with full user privileges if the user visited a malicious web site. (MFSA-2005-01 to MFSA-2005-44; please see the following web site for details: http://www.mozilla.org/projects/security/known-vulnerabilities.html)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.