It was discovered that Firefox did not properly perform XUL garbage collection. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.04 LTS and 8.10. (CVE-2009-1044)
A flaw was discovered in the way Firefox performed XSLT transformations. If a user were tricked into opening a crafted XSL stylesheet, an attacker could cause a denial of service or execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1169)
28 March 2009
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Firefox did not properly perform XUL garbage collection. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.04 LTS and 8.10. (CVE-2009-1044)
A flaw was discovered in the way Firefox performed XSLT transformations. If a user were tricked into opening a crafted XSL stylesheet, an attacker could cause a denial of service or execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1169)
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.
After a standard system upgrade you need to restart Firefox and any applications that use xulrunner, such as Epiphany, to effect the necessary changes.
Vulmon