Debian Security Advisory DSA 833-2 – A stack-based buffer overflow in the init_syms function of MySQL, a popular database, has been discovered that allows remote authenticated users who can create user-defined functions to execute arbitrary code via a long function_name field. The ability to create user-defined functions is not typically granted to untrusted users.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40402/dsa-833-2.txt
Source: https://packetstormsecurity.com/files/40402/Debian-Linux-Security-Advisory-833-2.html