Perl in Apple Mac OS X Server 10.3.9 does not properly drop privileges when using the "$<" variable to set uid, which allows attackers to gain privileges.
https://exchange.xforce.ibmcloud.com/vulnerabilities/23561
http://www.vupen.com/english/advisories/2006/0791
http://www.vupen.com/english/advisories/2005/2869
http://www.us-cert.gov/cas/techalerts/TA06-062A.html
http://www.securityfocus.com/bid/16907
http://www.securityfocus.com/bid/15833
http://secunia.com/advisories/19064
http://secunia.com/advisories/17922
http://lists.apple.com/archives/security-announce/2006/Mar/msg00000.html