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Echo: samba: security update to 2:4.11.3+dfsg-1

medium Tenable Cloud Security Plugin ID 465128

Description

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

 - All Samba versions 4.x.x before 4.9.17, 4.10.x before 4.10.11 and 4.11.x before 4.11.3 have an issue,
 where the (poorly named) dnsserver RPC pipe provides administrative facilities to modify DNS records and
 zones. Samba, when acting as an AD DC, stores DNS records in LDAP. In AD, the default permissions on the
 DNS partition allow creation of new records by authenticated users. This is used for example to allow
 machines to self-register in DNS. If a DNS record was created that case-insensitively matched the name of
 the zone, the ldb_qsort() and dns_name_compare() routines could be confused into reading memory prior to
 the list of DNS entries when responding to DnssrvEnumRecords() or DnssrvEnumRecords2() and so following
 invalid memory as a pointer. (CVE-2019-14861)

Solution

Update the samba library and its related packages to version 2:4.11.3+dfsg-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2019-14861

Plugin Details

Severity: Medium

ID: 465128

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 95.09

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2019-14861

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:H/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: 12/10/2019

Reference Information

CVE: CVE-2019-14861

IAVA: 2019-A-0446-S