The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference.
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993
https://bugzilla.redhat.com/show_bug.cgi?id=1108748
https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_samba1
http://www.securitytracker.com/id/1030455
http://www.securityfocus.com/bid/68150
http://www.securityfocus.com/archive/1/532757/100/0/threaded
http://www.samba.org/samba/security/CVE-2014-3493
http://www.mandriva.com/security/advisories?name=MDVSA-2015:082
http://www.mandriva.com/security/advisories?name=MDVSA-2014:136
http://security.gentoo.org/glsa/glsa-201502-15.xml
http://secunia.com/advisories/61218
http://secunia.com/advisories/59919
http://secunia.com/advisories/59848
http://secunia.com/advisories/59834
http://secunia.com/advisories/59579
http://secunia.com/advisories/59433
http://secunia.com/advisories/59407
http://secunia.com/advisories/59378
http://rhn.redhat.com/errata/RHSA-2014-0866.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html