Mandriva Linux Security Update Advisory – A stack-based buffer overflow was discovered in the init_syms function in MySQL that allows authenticated users that can create user-defined functions to execute arbitrary code via a long function_name field.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40033/MDKSA-2005-163.txt
Source: https://packetstormsecurity.com/files/40033/Mandriva-Linux-Security-Advisory-2005.163.html