CVE-2024-34459: High severity Libxml2 xmllint vulnerability

Published May 13, 2024
·
Updated

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.

Affected Software

22 affected componentsFixes available
Libxml2 xmllint<2.11.8
Libxml2 xmllint>2.12.0<2.12.7
Microsoft cbl2 libxml2 2.10.4-6
Patch available
Microsoft azl3 libxml2 2.11.5-5
Patch available
Microsoft azl3 libxml2 2.11.5-3
Patch available
Microsoft cbl2 libxml2 2.10.4-3
Patch available
Xmlsoft Libxml2<2.11.8
Xmlsoft Libxml2>=2.12.0<2.12.7
alpine/libxml2>=2.12.0<2.11.8-r0
2.11.8-r0
alpine/libxml2>=2.12.0<2.11.8-r0
2.11.8-r0
alpine/libxml2>=2.12.0<2.12.7-r0
2.12.7-r0
alpine/libxml2>=2.12.0<2.12.7-r0
2.12.7-r0
alpine/libxml2>=2.12.0<2.12.7-r0
2.12.7-r0
alpine/libxml2>=2.12.0<2.12.7-r0
2.12.7-r0
alpine/libxml2>=2.12.0<2.12.7-r0
2.12.7-r0
debian/libxml2<2.9.14+dfsg-1.3~deb12u2
2.9.14+dfsg-1.3~deb12u2
debian/libxml2<2.12.7+dfsg+really2.9.14-0.4
2.12.7+dfsg+really2.9.14-0.4
debian/libxml2<2.12.7+dfsg+really2.9.14-0.4
2.12.7+dfsg+really2.9.14-0.4
debian/libxml2
2.9.14+dfsg-1.3~deb12u62.9.14+dfsg-1.3~deb12u42.12.7+dfsg+really2.9.14-2.1+deb13u32.12.7+dfsg+really2.9.14-2.1+deb13u12.15.4+dfsg-1
redhat/libxml2<2.11.8
2.11.8
redhat/libxml2<2.12.7
2.12.7
IBM Cloud Pak for Data System (Yosemite 1.0)<=11.3.1.2-IF1 - 11.3.1.2-IF2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/libxml2 to a version that resolves this vulnerability.

    Fixed in 2.11.8
  2. Upgrade

    Upgrade redhat/libxml2 to a version that resolves this vulnerability.

    Fixed in 2.12.7
  3. Upgrade

    Upgrade alpine/libxml2 to a version that resolves this vulnerability.

    Fixed in 2.11.8-r0
  4. Upgrade

    Upgrade alpine/libxml2 to a version that resolves this vulnerability.

    Fixed in 2.12.7-r0
  5. Upgrade

    Upgrade debian/libxml2 to a version that resolves this vulnerability.

    Fixed in 2.9.14+dfsg-1.3~deb12u2
  6. Upgrade

    Upgrade debian/libxml2 to a version that resolves this vulnerability.

    Fixed in 2.12.7+dfsg+really2.9.14-0.4
  7. Upgrade

    Upgrade debian/libxml2 to a version that resolves this vulnerability.

    Fixed in 2.9.14+dfsg-1.3~deb12u6Fixed in 2.9.14+dfsg-1.3~deb12u4Fixed in 2.12.7+dfsg+really2.9.14-2.1+deb13u3Fixed in 2.12.7+dfsg+really2.9.14-2.1+deb13u1Fixed in 2.15.4+dfsg-1
  8. Upgrade

    Upgrade libxml2/xmllint to a version that resolves this vulnerability.

    Fixed in 2.11.8
  9. Upgrade

    Upgrade libxml2/xmllint to a version that resolves this vulnerability.

    Fixed in 2.12.7
  10. Upgrade

    Upgrade libxml2 (upstream patches) to a version that resolves this vulnerability.

    Patch 2876ac5392a4e891b81e40e592c3ac6cb46016ce
  11. Upgrade

    Upgrade libxml2 (upstream patches) to a version that resolves this vulnerability.

    Patch 3ad7f81624572ebd5b9e6058c9f67d38207c10e2
  12. Upgrade

    Upgrade libxml2 (upstream patches) to a version that resolves this vulnerability.

    Patch 8ddc7f13337c9fe7c6b6e616f404b0fffb8a5145

Event History

May 13, 2024
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
May 14, 2024
Data Sourced
via NVD·03:39 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·03:39 PM
DescriptionSeverityAffected Software
May 15, 2024
Data Sourced
via Red Hat·05:53 AM
DescriptionSeverityAffected Software
May 17, 2024
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Oct 21, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2024-34459?

CVE-2024-34459 is classified as a moderate severity vulnerability due to the potential for buffer over-read errors.

2

How do I fix CVE-2024-34459?

To fix CVE-2024-34459, upgrade xmllint to version 2.11.8 or 2.12.7 or later.

3

Which versions of xmllint are affected by CVE-2024-34459?

CVE-2024-34459 affects xmllint versions earlier than 2.11.8 and versions between 2.12.0 and 2.12.6.

4

What kind of issue does CVE-2024-34459 represent?

CVE-2024-34459 represents a buffer over-read vulnerability that affects the formatting of error messages.

5

Is there a known exploit for CVE-2024-34459?

As of now, there are no publicly reported exploits specifically targeting CVE-2024-34459.

Company

Resources

Contact

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