RHBA-2019:3621MediumCVSS 5.6

Red Hat Bug Fix Advisory: libidn2 bug fix and enhancement update

Published
November 5, 2019
Last Modified
October 14, 2026

🔗 CVE IDs covered (1)

CVE-2019-18224 →

📋 Description

CVE-2019-18224 — libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c

🎯 Affected products60

  • Red Hat CodeReady Linux Builder (v. 8)
  • Red Hat Enterprise Linux AppStream (v. 8)
  • Red Hat Enterprise Linux BaseOS (v. 8)
  • idn2-0:2.2.0-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-0:2.2.0-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-0:2.2.0-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-0:2.2.0-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • idn2-debuginfo-0:2.2.0-1.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libidn2-0:2.2.0-1.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libidn2-0:2.2.0-1.el8.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libidn2-0:2.2.0-1.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libidn2-0:2.2.0-1.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libidn2-0:2.2.0-1.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libidn2-0:2.2.0-1.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • libidn2-debuginfo-0:2.2.0-1.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • libidn2-debuginfo-0:2.2.0-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • libidn2-debuginfo-0:2.2.0-1.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • +30 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)