USN-745-1: Firefox and Xulrunner vulnerabilities

Publication date

28 March 2009

Overview

Firefox and Xulrunner vulnerabilities


Details

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)

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)

Update instructions

After a standard system upgrade you need to restart Firefox and any applications that use xulrunner, such as Epiphany, to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:


Reduce your security exposure

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