Mandrake Linux Security Update Advisory – The GNU a2ps utility fails to properly sanitize filenames, which can be abused by a malicious user to execute arbitrary commands with the privileges of the user running the vulnerable application.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/35186/MDKSA-2004%3A140.txt
Source: https://packetstormsecurity.com/files/35186/MDKSA-2004-140.txt.html