Snmppd format string vulnerability. Snmppd (used by / with Nagios) may contain a format-string vulnerability in unsafe syslog() calls.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/37253/snmppd_dos.txt
Source: https://packetstormsecurity.com/files/37253/snmppd_dos.txt.html