RHSA-2026:60394: Moderate: libxml2 security update

Published Aug 26, 2026
·
Updated

Moderate: libxml2 security update

Other sources

The libxml2 library is a development toolbox providing the implementation of various XML standards.Security Fix(es): libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow (CVE-2026-11979) 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

52 affected componentsFixes available
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
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 Power, little endian - 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
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for x86_64 - 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 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat CodeReady Linux Builder for ARM 64
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
redhat/libxml2<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-debuginfo<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-debugsource<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-devel<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/python3-libxml2<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/python3-libxml2-debuginfo<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-debuginfo<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-debugsource<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-devel<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/python3-libxml2<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/python3-libxml2-debuginfo<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-debuginfo<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-debugsource<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-devel<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/python3-libxml2<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/python3-libxml2-debuginfo<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2<2.12.5-10.el10_2.3.aa
2.12.5-10.el10_2.3.aa
redhat/libxml2-debuginfo<2.12.5-10.el10_2.3.aa
2.12.5-10.el10_2.3.aa
redhat/libxml2-debugsource<2.12.5-10.el10_2.3.aa
2.12.5-10.el10_2.3.aa
redhat/libxml2-devel<2.12.5-10.el10_2.3.aa
2.12.5-10.el10_2.3.aa
redhat/python3-libxml2<2.12.5-10.el10_2.3.aa
2.12.5-10.el10_2.3.aa
redhat/python3-libxml2-debuginfo<2.12.5-10.el10_2.3.aa
2.12.5-10.el10_2.3.aa
redhat/libxml2-static<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-static<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3
redhat/libxml2-static<2.12.5-10.el10_2.3.aa
2.12.5-10.el10_2.3.aa
redhat/libxml2-static<2.12.5-10.el10_2.3
2.12.5-10.el10_2.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3
  2. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3
  3. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3
  4. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3
  5. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3
  6. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3
  7. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3.aa
  8. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3.aa
  9. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3.aa
  10. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3.aa
  11. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3.aa
  12. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3.aa
  13. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3
  14. Upgrade

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

    Fixed in 2.12.5-10.el10_2.3.aa
  15. Compensating control

    Apply the libxml2 security update referenced by the Red Hat advisory article to address CVE-2026-11979 (arbitrary code execution in xmlcatalog utility via buffer overflow).

Event History

Aug 26, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·08:17 PM
Data Sourced
via Red Hat·08:17 PM
Severity

Frequently Asked Questions

1

Which Red Hat Enterprise Linux architectures are covered by this advisory?

The advisory covers x86_64, ARM 64, IBM z Systems, and Power little endian offerings. Coverage includes standard RHEL subscriptions as well as several Extended Update Support, Extended Life Cycle, and x86_64 four-years-of-updates channels.

2

Is the CodeReady Linux Builder repository included?

Yes. Red Hat CodeReady Linux Builder for Power, little endian is included, including its Extended Update Support offering.

Company

Resources

Contact

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