CVE-2009-0017
csregprinter in the Printing component in Apple Mac OS X 10.4.11 and 10.5.6 does not properly handle error conditions, which allows local users to execute arbitrary code via unknown vectors that trigger a heap-based buffer overflow.
Date published : 2009-02-12
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html