RHSA-2026:28234LowCVSS 5.5

Red Hat Security Advisory: libxml2 security update

Published
June 23, 2026
Last Modified
August 4, 2026

🔗 CVE IDs covered (1)

CVE-2024-34459 →

📋 Description

CVE-2024-34459 — libxml2: buffer over-read in xmlHTMLPrintFileContext in xmllint.c

🎯 Affected products56

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux BaseOS (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-0:2.12.5-10.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-0:2.12.5-10.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-0:2.12.5-10.el10_2.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-0:2.12.5-10.el10_2.1.src as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-0:2.12.5-10.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debuginfo-0:2.12.5-10.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • libxml2-debugsource-0:2.12.5-10.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • +26 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Do not process untrusted files with the xmllint program.

🔗 References (4)