RHSA-2026:33635: 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

40 affected componentsFixes available
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
redhat/libxml2<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-debuginfo<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-debugsource<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-devel<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/python3-libxml2<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/python3-libxml2-debuginfo<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-debuginfo<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-debugsource<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-devel<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/python3-libxml2<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/python3-libxml2-debuginfo<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-debuginfo<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-debugsource<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-devel<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/python3-libxml2<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/python3-libxml2-debuginfo<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2<2.12.5-9.el10_0.1.aa
2.12.5-9.el10_0.1.aa
redhat/libxml2-debuginfo<2.12.5-9.el10_0.1.aa
2.12.5-9.el10_0.1.aa
redhat/libxml2-debugsource<2.12.5-9.el10_0.1.aa
2.12.5-9.el10_0.1.aa
redhat/libxml2-devel<2.12.5-9.el10_0.1.aa
2.12.5-9.el10_0.1.aa
redhat/python3-libxml2<2.12.5-9.el10_0.1.aa
2.12.5-9.el10_0.1.aa
redhat/python3-libxml2-debuginfo<2.12.5-9.el10_0.1.aa
2.12.5-9.el10_0.1.aa
redhat/libxml2-static<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-static<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-static<2.12.5-9.el10_0.1
2.12.5-9.el10_0.1
redhat/libxml2-static<2.12.5-9.el10_0.1.aa
2.12.5-9.el10_0.1.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 2.12.5-9.el10_0.1
  2. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1
  3. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1
  4. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1
  5. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1
  6. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1
  7. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1.aa
  8. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1.aa
  9. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1.aa
  10. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1.aa
  11. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1.aa
  12. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1.aa
  13. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1
  14. Upgrade

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

    Fixed in 2.12.5-9.el10_0.1.aa
  15. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Patch CVE-2024-34459

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-2026:33635?

The severity of RHSA-2026:33635 is rated as low.

2

How do I fix RHSA-2026:33635?

To fix RHSA-2026:33635, update the affected libxml2 packages to the latest version provided by Red Hat.

3

What is the security issue described in RHSA-2026:33635?

RHSA-2026:33635 addresses a buffer over-read vulnerability in the xmlHTMLPrintFileContext function in xmllint.c (CVE-2024-34459).

4

Which software is affected by RHSA-2026:33635?

The affected software includes various Red Hat packages such as redhat/libxml2 and related development and debug packages.

5

When was RHSA-2026:33635 published?

RHSA-2026:33635 was published on June 30, 2026.

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