RHSA-2026:33633: 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

33 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
redhat/libxml2<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-debuginfo<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-debuginfo<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-debugsource<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-debugsource<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-devel<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-devel<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/python3-libxml2<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/python3-libxml2-debuginfo<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/python3-libxml2-debuginfo<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-debuginfo<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-debugsource<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2-devel<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/python3-libxml2<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/python3-libxml2-debuginfo<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11
redhat/libxml2<2.9.13-3.el9_2.11.aa
2.9.13-3.el9_2.11.aa
redhat/libxml2-debuginfo<2.9.13-3.el9_2.11.aa
2.9.13-3.el9_2.11.aa
redhat/libxml2-debugsource<2.9.13-3.el9_2.11.aa
2.9.13-3.el9_2.11.aa
redhat/libxml2-devel<2.9.13-3.el9_2.11.aa
2.9.13-3.el9_2.11.aa
redhat/python3-libxml2<2.9.13-3.el9_2.11.aa
2.9.13-3.el9_2.11.aa
redhat/python3-libxml2-debuginfo<2.9.13-3.el9_2.11.aa
2.9.13-3.el9_2.11.aa
redhat/python3-libxml2<2.9.13-3.el9_2.11
2.9.13-3.el9_2.11

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11
  2. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11
  3. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11
  4. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11
  5. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11
  6. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11
  7. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11.aa
  8. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11.aa
  9. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11.aa
  10. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11.aa
  11. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11.aa
  12. Upgrade

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

    Fixed in 2.9.13-3.el9_2.11.aa
  13. Compensating control

    Apply the libxml2 security update described in the advisory (includes the change for libxml2 buffer over-read in xmlHTMLPrintFileContext in xmllint.c, CVE-2024-34459); use the referenced Red Hat article for application steps.

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-2026:33633?

The severity of RHSA-2026:33633 is categorized as low.

2

What is the CVE associated with RHSA-2026:33633?

The CVE associated with RHSA-2026:33633 is CVE-2024-34459.

3

How do I fix RHSA-2026:33633?

To fix RHSA-2026:33633, update the affected libxml2 packages to the latest version.

4

What issue does RHSA-2026:33633 address?

RHSA-2026:33633 addresses a buffer over-read vulnerability in the xmlHTMLPrintFileContext function of libxml2.

5

Which software packages are affected by RHSA-2026:33633?

The affected software packages include redhat/libxml2, redhat/libxml2-debuginfo, and redhat/python3-libxml2.

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