RHSA-2026:22420MediumCVSS 6.2

Red Hat Security Advisory: libxml2 security update

Published
June 2, 2026
Last Modified
August 26, 2026

🔗 CVE IDs covered (1)

CVE-2025-9714 →

📋 Description

CVE-2025-9714 — libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c

🎯 Affected products42

  • Red Hat Enterprise Linux Server (v. 7 ELS)
  • Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.ppc as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.s390 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-0:2.9.1-6.el7_9.14.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.ppc as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.s390 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-debuginfo-0:2.9.1-6.el7_9.14.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)
  • libxml2-devel-0:2.9.1-6.el7_9.14.i686 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-devel-0:2.9.1-6.el7_9.14.ppc as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-devel-0:2.9.1-6.el7_9.14.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-devel-0:2.9.1-6.el7_9.14.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-devel-0:2.9.1-6.el7_9.14.s390 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • libxml2-devel-0:2.9.1-6.el7_9.14.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • +12 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: The impact of this flaw may be reduced by setting strict resource limits to the stack size of processes at the operational system level. This can be achieved either through the 'ulimit' shell built-in or the 'limits.conf' file.

🔗 References (4)