Format string vulnerability in use_syslog() function in LPRng 3.6.24 allows remote attackers to execute arbitrary commands.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5287
http://www.redhat.com/support/errata/RHSA-2000-065.html
http://www.cert.org/advisories/CA-2000-22.html
http://www.calderasystems.com/support/security/advisories/CSSA-2000-033.0.txt
http://archives.neohapsis.com/archives/bugtraq/2000-09/0293.html