Detections
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Echo: samba: security update to 2:4.3.6+dfsg-1

medium Tenable Cloud Security Plugin ID 463790

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2016-0771)

Solution

Update the samba library and its related packages to version 2:4.3.6+dfsg-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2016-0771

Plugin Details

Severity: Medium

ID: 463790

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.63

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:N/A:P

CVSS Score Source: CVE-2016-0771

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 3/8/2016

Reference Information

CVE: CVE-2016-0771