RHSA-2026:26354: Low: libxml2 security update

Published Jun 16, 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

32 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
redhat/libxml2<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-debuginfo<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-debuginfo<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-debugsource<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-debugsource<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-devel<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-devel<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/python3-libxml2<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/python3-libxml2-debuginfo<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/python3-libxml2-debuginfo<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/python3-libxml2<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-debuginfo<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-debugsource<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2-devel<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/python3-libxml2<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/python3-libxml2-debuginfo<2.9.7-21.el8_10.5
2.9.7-21.el8_10.5
redhat/libxml2<2.9.7-21.el8_10.5.aa
2.9.7-21.el8_10.5.aa
redhat/libxml2-debuginfo<2.9.7-21.el8_10.5.aa
2.9.7-21.el8_10.5.aa
redhat/libxml2-debugsource<2.9.7-21.el8_10.5.aa
2.9.7-21.el8_10.5.aa
redhat/libxml2-devel<2.9.7-21.el8_10.5.aa
2.9.7-21.el8_10.5.aa
redhat/python3-libxml2<2.9.7-21.el8_10.5.aa
2.9.7-21.el8_10.5.aa
redhat/python3-libxml2-debuginfo<2.9.7-21.el8_10.5.aa
2.9.7-21.el8_10.5.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 2.9.7-21.el8_10.5
  2. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5
  3. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5
  4. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5
  5. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5
  6. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5
  7. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5.aa
  8. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5.aa
  9. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5.aa
  10. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5.aa
  11. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5.aa
  12. Upgrade

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

    Fixed in 2.9.7-21.el8_10.5.aa

Event History

Jun 16, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·02:12 PM
Data Sourced
via Red Hat·02:12 PM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:26354?

The severity of RHSA-2026:26354 is classified as low.

2

How do I fix RHSA-2026:26354?

To fix RHSA-2026:26354, update the affected libxml2 packages to the latest version provided by Red Hat.

3

What is the main security issue addressed in RHSA-2026:26354?

RHSA-2026:26354 addresses a buffer over-read vulnerability in xmlHTMLPrintFileContext in xmllint.c, tracked as CVE-2024-34459.

4

Which software packages are affected by RHSA-2026:26354?

Affected software packages include redhat/libxml2, redhat/libxml2-debuginfo, and redhat/python3-libxml2 among others.

5

When was RHSA-2026:26354 published?

RHSA-2026:26354 was published on June 16, 2026.

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