Echo: samba: security update to 2:4.9.5+dfsg-5

medium Tenable Self-Hosted Container Security Plugin ID 455319

Description

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

- Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of
Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.
(CVE-2019-12435)

Solution

Update the samba library and its related packages to version 2:4.9.5+dfsg-5 or later.

See Also

https://advisory.echohq.com/cve/CVE-2019-12435

Plugin Details

Severity: Medium

ID: 455319

Version: Revision 1.2

Type: Local

Published: 10/1/2026

Updated: 10/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2019-12435

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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: 6/19/2019

Reference Information

CVE: CVE-2019-12435

IAVA: 2019-A-0209-S