RHSA-2026:61247: Moderate: libxml2 security update

Published Aug 31, 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: mingw-libxml2: libxml2: Denial of Service via crafted XML input due to use-after-free (CVE-2026-6653) 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

39 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
redhat/libxml2<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-debuginfo<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-debuginfo<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-debugsource<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-debugsource<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-devel<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-devel<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/python3-libxml2<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/python3-libxml2-debuginfo<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/python3-libxml2-debuginfo<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/python3-libxml2<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-debuginfo<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-debugsource<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2-devel<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/python3-libxml2<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/python3-libxml2-debuginfo<2.9.13-14.el9_8.4
2.9.13-14.el9_8.4
redhat/libxml2<2.9.13-14.el9_8.4.aa
2.9.13-14.el9_8.4.aa
redhat/libxml2-debuginfo<2.9.13-14.el9_8.4.aa
2.9.13-14.el9_8.4.aa
redhat/libxml2-debugsource<2.9.13-14.el9_8.4.aa
2.9.13-14.el9_8.4.aa
redhat/libxml2-devel<2.9.13-14.el9_8.4.aa
2.9.13-14.el9_8.4.aa
redhat/python3-libxml2<2.9.13-14.el9_8.4.aa
2.9.13-14.el9_8.4.aa
redhat/python3-libxml2-debuginfo<2.9.13-14.el9_8.4.aa
2.9.13-14.el9_8.4.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 2.9.13-14.el9_8.4
  2. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4
  3. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4
  4. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4
  5. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4
  6. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4
  7. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4.aa
  8. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4.aa
  9. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4.aa
  10. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4.aa
  11. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4.aa
  12. Upgrade

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

    Fixed in 2.9.13-14.el9_8.4.aa
  13. Upgrade

    Upgrade libxml2 to a version that resolves this vulnerability.

    Patch CVE-2026-11979
  14. Upgrade

    Upgrade libxml2 (mingw-libxml2) to a version that resolves this vulnerability.

    Patch CVE-2026-6653

Event History

Aug 31, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·12:55 AM
Data Sourced
via Red Hat·12:55 AM
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