Ubuntu Security Notice USN-336-1 – A buffer overflow was discovered in gas (the GNU assembler). By tricking an user or automated system (like a compile farm) into assembling a specially crafted source file with gcc or gas, this could be exploited to execute arbitrary code with the user’s privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/49358/USN-336-1.txt
Source: https://packetstormsecurity.com/files/49358/Ubuntu-Security-Notice-336-1.html