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SECURITY ADVISORYRED HATVERIFIED

PUBLISHER UPDATE · RHSA-2026-72285

RHSA-2026-72285 release notes and known issues

Red Hat Security Advisory: ruby:3.3 security update

Scope: Red Hat Enterprise Linux. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fix(es): * resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses (CVE-2026-80212) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Red Hat Enterprise Linux

Affected versions

  • Red Hat Enterprise Linux AppStream (v. 8)
  • ruby-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-bundled-gems-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-debugsource-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-devel-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-libs-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-libs-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-bigdecimal-0:3.1.5-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-bigdecimal-debuginfo-0:3.1.5-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-io-console-0:0.7.1-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-io-console-debuginfo-0:0.7.1-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-json-0:2.7.2-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-json-debuginfo-0:2.7.2-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-psych-0:5.1.2-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-psych-debuginfo-0:5.1.2-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-racc-0:1.7.3-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-racc-debuginfo-0:1.7.3-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-rbs-0:3.4.0-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • rubygem-rbs-debuginfo-0:3.4.0-9.module+el8.10.0+24850+a62b5b25.i686::ruby:3.3
  • ruby-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.src::ruby:3.3
  • rubygem-abrt-0:0.4.0-1.module+el8.10.0+21226+b78a28c4.src::ruby:3.3
  • rubygem-mysql2-0:0.5.5-1.module+el8.10.0+21226+b78a28c4.src::ruby:3.3
  • rubygem-pg-0:1.5.4-1.module+el8.10.0+21226+b78a28c4.src::ruby:3.3
  • ruby-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-bundled-gems-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-debugsource-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-devel-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-libs-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-libs-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-bigdecimal-0:3.1.5-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-bigdecimal-debuginfo-0:3.1.5-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-io-console-0:0.7.1-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-io-console-debuginfo-0:0.7.1-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-json-0:2.7.2-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-json-debuginfo-0:2.7.2-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-mysql2-0:0.5.5-1.module+el8.10.0+21226+b78a28c4.x86_64::ruby:3.3
  • rubygem-mysql2-debuginfo-0:0.5.5-1.module+el8.10.0+21226+b78a28c4.x86_64::ruby:3.3
  • rubygem-mysql2-debugsource-0:0.5.5-1.module+el8.10.0+21226+b78a28c4.x86_64::ruby:3.3
  • rubygem-pg-0:1.5.4-1.module+el8.10.0+21226+b78a28c4.x86_64::ruby:3.3
  • rubygem-pg-debuginfo-0:1.5.4-1.module+el8.10.0+21226+b78a28c4.x86_64::ruby:3.3
  • rubygem-pg-debugsource-0:1.5.4-1.module+el8.10.0+21226+b78a28c4.x86_64::ruby:3.3
  • rubygem-psych-0:5.1.2-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-psych-debuginfo-0:5.1.2-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-racc-0:1.7.3-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-racc-debuginfo-0:1.7.3-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-rbs-0:3.4.0-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • rubygem-rbs-debuginfo-0:3.4.0-9.module+el8.10.0+24850+a62b5b25.x86_64::ruby:3.3
  • ruby-default-gems-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • ruby-doc-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-abrt-0:0.4.0-1.module+el8.10.0+21226+b78a28c4.noarch::ruby:3.3
  • rubygem-abrt-doc-0:0.4.0-1.module+el8.10.0+21226+b78a28c4.noarch::ruby:3.3
  • rubygem-bundler-0:2.5.22-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-irb-0:1.13.1-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-minitest-0:5.20.0-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-mysql2-doc-0:0.5.5-1.module+el8.10.0+21226+b78a28c4.noarch::ruby:3.3
  • rubygem-pg-doc-0:1.5.4-1.module+el8.10.0+21226+b78a28c4.noarch::ruby:3.3
  • rubygem-power_assert-0:2.0.3-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-rake-0:13.1.0-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-rdoc-0:6.6.3.1-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-rexml-0:3.4.4-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-rss-0:0.3.1-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-test-unit-0:3.6.1-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygem-typeprof-0:0.21.9-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygems-0:3.5.22-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • rubygems-devel-0:3.5.22-9.module+el8.10.0+24850+a62b5b25.noarch::ruby:3.3
  • ruby-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • ruby-bundled-gems-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • ruby-bundled-gems-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • ruby-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • ruby-debugsource-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • ruby-devel-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • ruby-libs-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • ruby-libs-debuginfo-0:3.3.12-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • rubygem-bigdecimal-0:3.1.5-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • rubygem-bigdecimal-debuginfo-0:3.1.5-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3
  • rubygem-io-console-0:0.7.1-9.module+el8.10.0+24850+a62b5b25.aarch64::ruby:3.3

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Apply the Red Hat updates listed in the official advisory.

Related vulnerabilities

BlackTree CVE Intelligence
CVE-2026-80212Open CVE report →

Official publisher evidence

RED HATVERIFIED

Red Hat Security Advisory: ruby:3.3 security update

Checked 28 Sep 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source