RHSA-2026:99864MediumCVSS 7.1

Red Hat Security Advisory: glib2 security update

Published
November 12, 2026
Last Modified
November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-16118 →

📋 Description

CVE-2026-16118 — xdgmime: heap-based buffer overflow in _xdg_mime_magic_parse_magic_line() in xdgmimemagic.c

🎯 Affected products36

  • Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-0:2.56.4-158.el8_6.8.src as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-0:2.56.4-158.el8_6.8.src as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-debuginfo-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-debuginfo-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-debuginfo-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-debuginfo-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-debugsource-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-debugsource-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-debugsource-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-debugsource-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-devel-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-devel-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-devel-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-devel-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-devel-debuginfo-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-devel-debuginfo-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-devel-debuginfo-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-devel-debuginfo-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-fam-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-fam-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-fam-debuginfo-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-fam-debuginfo-0:2.56.4-158.el8_6.8.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • glib2-fam-debuginfo-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • glib2-fam-debuginfo-0:2.56.4-158.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)
  • +6 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 install a MIME magic file or content from untrusted sources.

🔗 References (4)