RHSA-2026:96233MediumCVSS 9.8

Red Hat Security Advisory: ruby4.0 security, bug fix, and enhancement update

Published
November 9, 2026
Last Modified
November 9, 2026

🔗 CVE IDs covered (3)

CVE-2026-93577 →CVE-2026-97229 →CVE-2026-110264 →

📋 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 products36

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • ruby4.0-0:4.0.9-38.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-0:4.0.9-38.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-0:4.0.9-38.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-0:4.0.9-38.el10_2.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-0:4.0.9-38.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debuginfo-0:4.0.9-38.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debuginfo-0:4.0.9-38.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debuginfo-0:4.0.9-38.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debuginfo-0:4.0.9-38.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debugsource-0:4.0.9-38.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debugsource-0:4.0.9-38.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debugsource-0:4.0.9-38.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-debugsource-0:4.0.9-38.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-devel-0:4.0.9-38.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-devel-0:4.0.9-38.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-devel-0:4.0.9-38.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-devel-0:4.0.9-38.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-doc-0:4.0.9-38.el10_2.noarch as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • ruby4.0-rubygem-mysql2-0:0.5.7-38.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-mysql2-0:0.5.7-38.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-mysql2-0:0.5.7-38.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-mysql2-0:0.5.7-38.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-mysql2-debuginfo-0:0.5.7-38.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-mysql2-debuginfo-0:0.5.7-38.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-mysql2-debuginfo-0:0.5.7-38.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-mysql2-debuginfo-0:0.5.7-38.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-pg-0:1.6.3-38.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • ruby4.0-rubygem-pg-0:1.6.3-38.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • +6 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)