CVE-2016-0771

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-03-13 · updated 2026-06-17
Weakness: CWE-119

Description

The internal DNS server in Samba 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record.

Affected products

Samba: 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5 (+63)

References

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html
http://www.debian.org/security/2016/dsa-3514
http://www.securityfocus.com/bid/84273
http://www.securitytracker.com/id/1035219
http://www.ubuntu.com/usn/USN-2922-1
https://bugzilla.samba.org/show_bug.cgi?id=11128
https://bugzilla.samba.org/show_bug.cgi?id=11686
https://www.samba.org/samba/security/CVE-2016-0771.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html
http://www.debian.org/security/2016/dsa-3514
http://www.securityfocus.com/bid/84273
http://www.securitytracker.com/id/1035219

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