Echo: samba: security update to 2:4.22.8+dfsg-0+deb13u2

high Tenable Cloud Security Plugin ID 460269

Description

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

- A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller.
The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing
an unauthenticated remote attacker to trigger a NULL pointer dereference and crash the WINS service using
specially crafted UDP packets. (CVE-2026-3238)

Solution

Update the samba library and its related packages to version 2:4.22.8+dfsg-0+deb13u2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-3238

Plugin Details

Severity: High

ID: 460269

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-3238

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 5/26/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-3238

IAVA: 2026-A-0510-S