Debian Security Advisory 1122-1 – Peter Bieringer discovered that the “log” function in the Net::Server Perl module, an extensible, general perl server engine, is not safe against format string exploits.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48558/dsa-1122-1.txt
Source: https://packetstormsecurity.com/files/48558/Debian-Linux-Security-Advisory-1122-1.html