Ubuntu Security Notice USN-812-1 – Matt Lewis discovered that Subversion did not properly sanitize its input when processing svndiff streams, leading to various integer and heap overflows. If a user or automated system processed crafted input, a remote attacker could cause a denial of service or potentially execute arbitrary code as the user processing the input.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80225/USN-812-1.txt
Source: https://packetstormsecurity.com/files/80225/Ubuntu-Security-Notice-812-1.html