CVE-2017-5969

Publication date 11 April 2017

Last updated 4 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. NOTE: The maintainer states "I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxml2	17.10 artful	Ignored
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Ignored
	14.04 LTS trusty	Ignored
	12.04 LTS precise	Ignored end of life

Notes

mdeslaur

issue in recovery mode only, we will not be fixing this in stable releases

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libxml2	Upstream: ?id=946

Severity score breakdown

CVSS version: CVSS v3.0

Base score 4.7 · Medium

Base metrics

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

Scores

Parameter	Value
Base score	4.7 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H