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

medium Tenable Self-Hosted Container Security Plugin ID 458175

Description

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

- A flaw was found in Samba’s vfs_worm module. The module is intended to provide write-once, read-many
(WORM) protections by preventing modification of files after a configurable grace period. Due to
insufficient validation during rename operations, an authenticated user with write access to a share could
overwrite a protected file by renaming a newly created file over the existing WORM-protected file.
(CVE-2026-2340)

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-2026-2340

Plugin Details

Severity: Medium

ID: 458175

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: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-2340

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:H/A:N

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: 5/27/2026

Reference Information

CVE: CVE-2026-2340

IAVA: 2026-A-0510-S