USN-728-2: Firefox vulnerabilities

Ubuntu Security Notice USN-728-2

5th March, 2009

firefox vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 7.10

Software description

  • firefox


Jesse Ruderman and Gary Kwong discovered flaws in the browser engine.
If a user were tricked into viewing a malicious website, a remote
attacker could cause a denial of service or possibly execute arbitrary
code with the privileges of the user invoking the program.
(CVE-2009-0772, CVE-2009-0774)

Georgi Guninski discovered a flaw when Firefox performed a
cross-domain redirect. An attacker could bypass the same-origin policy
in Firefox by utilizing nsIRDFService and steal private data from
users authenticated to the redirected website. (CVE-2009-0776)

Update instructions

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

Ubuntu 7.10:

To update your system, please follow these instructions:

After a standard system upgrade you need to restart Firefox to effect the
necessary changes.


CVE-2009-0772, CVE-2009-0774, CVE-2009-0776