CVE-2019-14847

Publication date 29 October 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of service. Privilege escalation is not possible with this issue.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
samba	19.10 eoan	Fixed in 2:4.10.7+dfsg-0ubuntu2.2
	19.04 disco	Fixed in 2:4.10.0+dfsg-0ubuntu2.6
	18.04 LTS bionic	Fixed in 2:4.7.6+dfsg~ubuntu-0ubuntu2.13
	16.04 LTS xenial	Fixed in 2:4.3.11+dfsg-0ubuntu0.16.04.23
	14.04 LTS trusty	Fixed in 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm3

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Severity score breakdown

CVSS version: CVSS v3.0

Base score 4.9 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	4.9 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4167-2
Samba vulnerabilities
29 October 2019

USN-4167-1
Samba vulnerabilities
29 October 2019