Stack-based buffer overflow in cifskey.c or cifscreds.c in cifs-utils before 6.4, as used in pam_cifscreds, allows remote attackers to have unspecified impact via unknown vectors.
https://security.gentoo.org/glsa/201612-08
https://lists.samba.org/archive/samba-technical/2014-July/101132.html
https://bugzilla.redhat.com/show_bug.cgi?id=1086224
https://bugzilla.novell.com/show_bug.cgi?id=870168
https://bugs.mageia.org/show_bug.cgi?id=13386
http://www.mandriva.com/security/advisories?name=MDVSA-2015:114