RHSA-2026:27736LowCVSS 5.5

Red Hat Security Advisory: libxml2 security update

Published
June 22, 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 products40

  • Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libxml2-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-0:2.9.7-9.el8_4.10.src as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libxml2-0:2.9.7-9.el8_4.10.src as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libxml2-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libxml2-debuginfo-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libxml2-debugsource-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libxml2-devel-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • libxml2-devel-0:2.9.7-9.el8_4.10.i686 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • libxml2-devel-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • libxml2-devel-0:2.9.7-9.el8_4.10.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • +10 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)