memcached.c in memcached before 1.4.3 allows remote attackers to cause a denial of service (daemon hang or crash) via a long line that triggers excessive memory allocation. NOTE: some of these details are obtained from third party information.
http://www.vupen.com/english/advisories/2011/0442
http://securitytracker.com/id?1023839
http://secunia.com/advisories/39306
http://marc.info/?l=oss-security&m=127075808518733&w=2
http://marc.info/?l=oss-security&m=127075341110616&w=2
http://marc.info/?l=oss-security&m=127074597129559&w=2
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
http://github.com/memcached/memcached/commit/d9cd01ede97f4145af9781d448c62a3318952719
http://github.com/memcached/memcached/commit/75cc83685e103bc8ba380a57468c8f04413033f9
http://blogs.sun.com/security/entry/input_validation_vulnerability_in_memcached