IRM Security Advisory 024 – The Line Printer Daemon, which provides print server functionality in Cisco IOS, is vulnerable to a software flaw whereby the length of the hostname of the router is not checked before being copied into a fixed size memory buffer.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/59997/IRM-CiscoLPD.txt
Source: https://packetstormsecurity.com/files/59997/IRM-CiscoLPD.txt.html