CVE-2024-34459

Publication date 14 May 2024

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.

Read the notes from the security team

Why is this CVE low priority?

just a crash in a command line tool

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxml2	24.10 oracular	Not affected
	24.04 LTS noble	Fixed 2.9.14+dfsg-1.3ubuntu3.1
	23.10 mantic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 2.9.13+dfsg-1ubuntu0.5
	20.04 LTS focal	Fixed 2.9.10+dfsg-5ubuntu0.20.04.8
	18.04 LTS bionic	Fixed 2.9.4+dfsg1-6.1ubuntu1.9+esm2
	16.04 LTS xenial	Fixed 2.9.3+dfsg1-1ubuntu0.7+esm7
	14.04 LTS trusty	Fixed 2.9.1+dfsg1-3ubuntu4.13+esm7

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Notes

mdeslaur

this is just a crash via OOB read in a the command-line xmllint tool, there is very little security impact here

Patch details

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

Package	Patch details
libxml2	Upstream: 8ddc7f1 Upstream: 2876ac5

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N