RHSA-2021:2174HighCVSS 9.8

Red Hat Security Advisory: glib2 security update

Published
June 1, 2021
Last Modified
October 14, 2026

🔗 CVE IDs covered (1)

CVE-2021-27219 →

📋 Description

CVE-2021-27219 — glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits

🎯 Affected products55

  • Red Hat Enterprise Linux Server AUS (v. 7.4)
  • Red Hat Enterprise Linux Server E4S (v. 7.4)
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.4)
  • Red Hat Enterprise Linux Server Optional E4S (v. 7.4)
  • Red Hat Enterprise Linux Server Optional TUS (v. 7.4)
  • Red Hat Enterprise Linux Server TUS (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server AUS (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server E4S (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server TUS (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.ppc64le as a component of Red Hat Enterprise Linux Server E4S (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.src as a component of Red Hat Enterprise Linux Server AUS (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.src as a component of Red Hat Enterprise Linux Server E4S (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.src as a component of Red Hat Enterprise Linux Server TUS (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server AUS (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server E4S (v. 7.4)
  • glib2-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server TUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server AUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server E4S (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server Optional AUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server Optional E4S (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server Optional TUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.i686 as a component of Red Hat Enterprise Linux Server TUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.ppc64le as a component of Red Hat Enterprise Linux Server E4S (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.ppc64le as a component of Red Hat Enterprise Linux Server Optional E4S (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server AUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server E4S (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server Optional AUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server Optional E4S (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server Optional TUS (v. 7.4)
  • glib2-debuginfo-0:2.50.3-4.el7_4.x86_64 as a component of Red Hat Enterprise Linux Server TUS (v. 7.4)
  • +25 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 (4)