RHSA-2026:96120MediumCVSS 9.8

Red Hat Security Advisory: ruby:4.0 security, bug fix, and enhancement update

Published
November 9, 2026
Last Modified
November 9, 2026

🔗 CVE IDs covered (3)

📋 Description

CVE-2026-93577 — ruby: integer overflow issue in regular expression compiler CVE-2026-97229 — ruby: integer overflow issue in CI/CD regular expression compiler CVE-2026-110264 — ruby: integer overflow issue in regular expression compiler

🎯 Affected products144

  • Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:4.0.9-36.module+el9.8.0+25290+d0128763.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:4.0.9-36.module+el9.8.0+25290+d0128763.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:4.0.9-36.module+el9.8.0+25290+d0128763.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:4.0.9-36.module+el9.8.0+25290+d0128763.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:4.0.9-36.module+el9.8.0+25290+d0128763.src (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-0:4.0.9-36.module+el9.8.0+25290+d0128763.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:4.0.9-36.module+el9.8.0+25290+d0128763.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:4.0.9-36.module+el9.8.0+25290+d0128763.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:4.0.9-36.module+el9.8.0+25290+d0128763.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:4.0.9-36.module+el9.8.0+25290+d0128763.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-0:4.0.9-36.module+el9.8.0+25290+d0128763.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-bundled-gems-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debuginfo-0:4.0.9-36.module+el9.8.0+25290+d0128763.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:4.0.9-36.module+el9.8.0+25290+d0128763.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:4.0.9-36.module+el9.8.0+25290+d0128763.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:4.0.9-36.module+el9.8.0+25290+d0128763.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:4.0.9-36.module+el9.8.0+25290+d0128763.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-debugsource-0:4.0.9-36.module+el9.8.0+25290+d0128763.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-default-gems-0:4.0.9-36.module+el9.8.0+25290+d0128763.noarch (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-devel-0:4.0.9-36.module+el9.8.0+25290+d0128763.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • ruby-devel-0:4.0.9-36.module+el9.8.0+25290+d0128763.i686 (ruby:4.0) 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: To mitigate this vulnerability, do not compile regular expressions from untrusted sources. Standard safeguards such as Regexp.timeout or limiting the length of the input pattern do not protect against this issue.

🔗 References (7)