CVE-2016-0771

Publication date 8 March 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
samba4 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life
samba 17.04 zesty
Fixed 2:4.3.6+dfsg-1ubuntu1
16.10 yakkety
Fixed 2:4.3.6+dfsg-1ubuntu1
16.04 LTS xenial
Fixed 2:4.3.6+dfsg-1ubuntu1
15.10 wily
Fixed 2:4.1.17+dfsg-4ubuntu3.3
14.04 LTS trusty
Fixed 2:4.1.6+dfsg-1ubuntu2.14.04.13
12.04 LTS precise
Not affected

Notes

mdeslaur

4.0+ only

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.9 · Medium

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references

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