Ubuntu Security Notice USN-813-2 – USN-813-1 fixed vulnerabilities in apr. This update provides the corresponding updates for apr as provided by Apache on Ubuntu 6.06 LTS. Matt Lewis discovered that apr did not properly sanitize its input when allocating memory. If an application using apr processed crafted input, a remote attacker could cause a denial of service or potentially execute arbitrary code as the user invoking the application.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80227/USN-813-2.txt
Source: https://packetstormsecurity.com/files/80227/Ubuntu-Security-Notice-813-2.html