Echo: samba: security update to 2:4.8.4+dfsg-1

medium Tenable Cloud Security Plugin ID 464209

Description

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

- A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP
server. An attacker could use this flaw to cause a denial of service against a samba server, used as a
Active Directory Domain Controller. All versions of Samba from 4.8.0 onwards are vulnerable
(CVE-2018-1140)

Solution

Update the samba library and its related packages to version 2:4.8.4+dfsg-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2018-1140

Plugin Details

Severity: Medium

ID: 464209

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

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

CVSS Score Source: CVE-2018-1140

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:A/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: 6/2/2026

Vulnerability Publication Date: 8/14/2018

Reference Information

CVE: CVE-2018-1140

IAVA: 2018-A-0257-S