ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles string lengths, which allows remote attackers to obtain sensitive information from daemon heap memory by sending crafted packets and then reading (1) an error message or (2) a database value.
https://www.samba.org/samba/security/CVE-2015-5330.html
https://security.gentoo.org/glsa/201612-47
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=f36cb71c330a52106e36028b3029d952257baf15
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ba5dbda6d0174a59d221c45cca52ecd232820d48
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=a118d4220ed85749c07fb43c1229d9e2fecbea6b
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=7f51ec8c4ed9ba1f53d722e44fb6fb3cde933b72
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=538d305de91e34a2938f5f219f18bf0e1918763f
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=0454b95657846fcecf0f51b6f1194faac02518bd
https://bugzilla.redhat.com/show_bug.cgi?id=1281326
http://www.ubuntu.com/usn/USN-2856-1
http://www.ubuntu.com/usn/USN-2855-2
http://www.ubuntu.com/usn/USN-2855-1
http://www.securitytracker.com/id/1034493
http://www.securityfocus.com/bid/79734
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.debian.org/security/2016/dsa-3433
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html