RHSA-2021:4385MediumCVSS 5.5

Red Hat Security Advisory: glib2 security and bug fix update

Published
November 9, 2021
Last Modified
October 14, 2026

🔗 CVE IDs covered (2)

CVE-2021-3800 →CVE-2021-28153 →

📋 Description

CVE-2021-3800 — glib2: Possible privilege escalation thourgh pkexec and aliases CVE-2021-28153 — glib: g_file_replace() with G_FILE_CREATE_REPLACE_DESTINATION creates empty target for dangling symlink

🎯 Affected products77

  • Red Hat CodeReady Linux Builder (v. 8)
  • Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-0:2.56.4-156.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-0:2.56.4-156.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-0:2.56.4-156.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-0:2.56.4-156.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-0:2.56.4-156.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-0:2.56.4-156.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debuginfo-0:2.56.4-156.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • glib2-debugsource-0:2.56.4-156.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-devel-0:2.56.4-156.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • glib2-devel-0:2.56.4-156.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • +47 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

🔗 References (8)