ipp.c in cupsd in CUPS 1.4.4 and earlier does not properly allocate memory for attribute values with invalid string data types, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted IPP request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/62882
https://bugzilla.redhat.com/show_bug.cgi?id=624438
http://www.ubuntu.com/usn/USN-1012-1
http://www.debian.org/security/2011/dsa-2176
http://security.gentoo.org/glsa/glsa-201207-10.xml
http://rhn.redhat.com/errata/RHSA-2010-0811.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051301.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051277.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050977.html
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html