CVE-2010-4013
Format string vulnerability in PackageKit in Apple Mac OS X 10.6.x before 10.6.6 allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to interaction between Software Update and distribution scripts.
Date published : 2011-01-10
http://lists.apple.com/archives/security-announce/2011//Jan/msg00000.html