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Echo: samba: security update to 2:4.17.4+dfsg-1

critical Tenable Cloud Security Plugin ID 461449

Description

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

 - Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the
 ASN.1 codec used by the Key Distribution Center (KDC). (CVE-2022-44640)

Solution

Update the samba library and its related packages to version 2:4.17.4+dfsg-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2022-44640

Plugin Details

Severity: Critical

ID: 461449

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.58

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2022-44640

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: 11/16/2022

Reference Information

CVE: CVE-2022-44640