What is RHSA-2026:20596?

RHSA-2026:20596 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: ruby:4.0 security update

Which CVE IDs does RHSA-2026:20596 cover?

RHSA-2026:20596 covers the following CVE IDs: CVE-2026-33210, CVE-2026-41316. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:20596?

RHSA-2026:20596 has a CVSS v3 base score of 9.1, published by Red Hat Product Security.

Which products are affected by RHSA-2026:20596?

RHSA-2026:20596 affects 144 products, including: Red Hat Enterprise Linux AppStream (v. 9); ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9); ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9); ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9); ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9); and others — see the full list on the advisory page.

RHSA-2026:20596HighCVSS 9.1

Red Hat Security Advisory: ruby:4.0 security update

Vendor

Red Hat Product Security

Published

May 26, 2026

Last Modified

November 5, 2026

🔗 CVE IDs covered (2)

CVE-2026-33210 →CVE-2026-41316 →

📋 Description

CVE-2026-33210 — ruby/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection CVE-2026-41316 — erb: ERB: Arbitrary code execution via deserialization bypass

🎯 Affected products144

Red Hat Enterprise Linux AppStream (v. 9)
ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.src (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-bundled-gems-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debuginfo-0:4.0.3-32.module+el9.8.0+24280+122d8796.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debugsource-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debugsource-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debugsource-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debugsource-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-debugsource-0:4.0.3-32.module+el9.8.0+24280+122d8796.x86_64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-default-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.noarch (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-devel-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64 (ruby:4.0) as a component of Red Hat Enterprise Linux AppStream (v. 9)
ruby-devel-0:4.0.3-32.module+el9.8.0+24280+122d8796.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

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products144

✅ Remediation

🔗 References (6)