Ubuntu Security Notice USN-265-1 – libcairo vulnerability: When rendering glyphs, the cairo graphics rendering library did not check the maximum length of character strings. A request to display an excessively long string with cairo caused a program crash due to an X library error.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/45170/USN-265-1.txt
Source: https://packetstormsecurity.com/files/45170/Ubuntu-Security-Notice-265-1.html