RHSA-2026:33634: Low: libxml2 security update

Published Jun 30, 2026
·
Updated

Low: libxml2 security update

Other sources

The libxml2 library is a development toolbox providing the implementation of various XML standards.Security Fix(es): libxml2: buffer over-read in xmlHTMLPrintFileContext in xmllint.c (CVE-2024-34459) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

— Red Hat

Affected Software

27 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
redhat/libxml2<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-debuginfo<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-debuginfo<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-debugsource<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-debugsource<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-devel<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-devel<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/python3-libxml2<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/python3-libxml2-debuginfo<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/python3-libxml2-debuginfo<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/python3-libxml2<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-debuginfo<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-debugsource<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2-devel<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/python3-libxml2<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/python3-libxml2-debuginfo<2.9.13-12.el9_6.2
2.9.13-12.el9_6.2
redhat/libxml2<2.9.13-12.el9_6.2.aa
2.9.13-12.el9_6.2.aa
redhat/libxml2-debuginfo<2.9.13-12.el9_6.2.aa
2.9.13-12.el9_6.2.aa
redhat/libxml2-debugsource<2.9.13-12.el9_6.2.aa
2.9.13-12.el9_6.2.aa
redhat/libxml2-devel<2.9.13-12.el9_6.2.aa
2.9.13-12.el9_6.2.aa
redhat/python3-libxml2<2.9.13-12.el9_6.2.aa
2.9.13-12.el9_6.2.aa
redhat/python3-libxml2-debuginfo<2.9.13-12.el9_6.2.aa
2.9.13-12.el9_6.2.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2
  2. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2
  3. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2
  4. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2
  5. Upgrade

    Upgrade redhat/python3-libxml2 to a version that resolves this vulnerability.

    Fixed in 2.9.13-12.el9_6.2
  6. Upgrade

    Upgrade redhat/python3-libxml2-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.9.13-12.el9_6.2
  7. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2.aa
  8. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2.aa
  9. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2.aa
  10. Upgrade

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

    Fixed in 2.9.13-12.el9_6.2.aa
  11. Upgrade

    Upgrade redhat/python3-libxml2 to a version that resolves this vulnerability.

    Fixed in 2.9.13-12.el9_6.2.aa
  12. Upgrade

    Upgrade redhat/python3-libxml2-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.9.13-12.el9_6.2.aa
  13. Compensating control

    Apply the libxml2 security update for the buffer over-read issue in xmlHTMLPrintFileContext in xmllint.c referenced as CVE-2024-34459 (details on how to apply are in the referenced Red Hat advisory article).

Event History

Jun 30, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·04:22 PM
Data Sourced
via Red Hat·04:22 PM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:33634?

The severity of RHSA-2026:33634 is rated as low.

2

What vulnerabilities are addressed in RHSA-2026:33634?

RHSA-2026:33634 addresses a buffer over-read vulnerability in libxml2 identified by CVE-2024-34459.

3

How do I fix RHSA-2026:33634?

To fix RHSA-2026:33634, update the affected libxml2 packages to the latest version available.

4

Which software packages are affected by RHSA-2026:33634?

The affected software packages include redhat/libxml2, redhat/libxml2-debuginfo, redhat/libxml2-devel, and others related to libxml2.

5

What impact does CVE-2024-34459 from RHSA-2026:33634 have?

CVE-2024-34459 can lead to potential information leakage due to buffer over-read in xmlHTMLPrintFileContext.

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