Debian Linux Security Advisory 2120-1 – Tim Bunce discovered that PostgreSQL, a database server software, does not properly separate interpreters for server-side stored procedures which run in different security contexts. As a result, non-privileged authenticated database users might gain additional privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/94687/dsa-2120-1.txt
Source: https://packetstormsecurity.com/files/94687/Debian-Linux-Security-Advisory-2120-1.html