RHSA-2026:72485HighCVSS 7.5

Red Hat Security Advisory: ruby:3.3 security update

Published
September 28, 2026
Last Modified
September 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-80212 →

📋 Description

CVE-2026-80212 — resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses

🎯 Affected products144

  • Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.src (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-default-gems-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.noarch (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-devel-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-devel-0:3.3.12-9.module+el9.8.0+24851+57cc0ffc.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • +114 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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (3)