Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the scheduler in cupsd in CUPS 1.3.7 and 1.3.10 allows remote attackers to cause a denial of service (daemon crash or hang) via a client disconnection during listing of a large number of print jobs, related to improperly maintaining a reference count. NOTE: some of these details are obtained from third party information.
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00332.html
https://bugzilla.redhat.com/show_bug.cgi?id=530111
http://www.ubuntu.com/usn/USN-906-1
http://www.debian.org/security/2011/dsa-2176
http://support.apple.com/kb/HT4004
http://security.gentoo.org/glsa/glsa-201207-10.xml
http://lists.apple.com/archives/security-announce/2010/Jan/msg00000.html