Ubuntu Security Notice 887-1 – Tim Starling discovered that LibThai did not correctly handle long strings. A remote attacker could use specially-formed strings to execute arbitrary code with the user’s privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/85367/USN-887-1.txt
Source: https://packetstormsecurity.com/files/85367/Ubuntu-Security-Notice-887-1.html