RHSA-2026:54393HighCVSS 7.3

Red Hat Security Advisory: ruby:3.3 security update

Published
August 12, 2026
Last Modified
August 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-47242 →

📋 Description

CVE-2026-47242 — net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

🎯 Affected products144

  • Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.src (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-bundled-gems-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debuginfo-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debugsource-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debugsource-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debugsource-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.ppc64le (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debugsource-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.s390x (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-debugsource-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.x86_64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-default-gems-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.noarch (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-devel-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.aarch64 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • ruby-devel-0:3.3.12-7.module+el9.4.0+24628+a370c2b9.2.i686 (ruby:3.3) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
  • +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. Update to the fixed version of affected product.

🔗 References (4)