Buffer overflow in ypbind 3.3 possibly allows an attacker to gain root privileges.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5759
http://www.linux-mandrake.com/en/security/MDKSA-2000-064.php3?dis=7.1
http://www.calderasystems.com/support/security/advisories/CSSA-2000-039.0.txt
http://archives.neohapsis.com/archives/linux/suse/2000-q4/0262.html