RHSA-2026:96099: Important: ruby security update

Published Nov 9, 2026
·
Updated

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.

Affected Software

34 affected componentsFixes available
redhat/ruby<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-debuginfo<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-debuginfo<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-devel<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-doc<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-irb<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-libs<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-libs<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-tcltk<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/rubygem-bigdecimal<1.2.0-40.el7_9
1.2.0-40.el7_9
redhat/rubygem-io-console<0.4.2-40.el7_9
0.4.2-40.el7_9
redhat/rubygem-json<1.7.7-40.el7_9
1.7.7-40.el7_9
redhat/rubygem-minitest<4.3.2-40.el7_9
4.3.2-40.el7_9
redhat/rubygem-psych<2.0.0-40.el7_9
2.0.0-40.el7_9
redhat/rubygem-rake<0.9.6-40.el7_9
0.9.6-40.el7_9
redhat/rubygem-rdoc<4.0.0-40.el7_9
4.0.0-40.el7_9
redhat/rubygems<2.0.14.1-40.el7_9
2.0.14.1-40.el7_9
redhat/rubygems-devel<2.0.14.1-40.el7_9
2.0.14.1-40.el7_9
redhat/ruby-devel<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-tcltk<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/rubygem-bigdecimal<1.2.0-40.el7_9
1.2.0-40.el7_9
redhat/rubygem-io-console<0.4.2-40.el7_9
0.4.2-40.el7_9
redhat/rubygem-json<1.7.7-40.el7_9
1.7.7-40.el7_9
redhat/rubygem-psych<2.0.0-40.el7_9
2.0.0-40.el7_9
redhat/ruby<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-debuginfo<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-devel<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-libs<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/ruby-tcltk<2.0.0.648-40.el7_9
2.0.0.648-40.el7_9
redhat/rubygem-bigdecimal<1.2.0-40.el7_9
1.2.0-40.el7_9
redhat/rubygem-io-console<0.4.2-40.el7_9
0.4.2-40.el7_9
redhat/rubygem-json<1.7.7-40.el7_9
1.7.7-40.el7_9
redhat/rubygem-psych<2.0.0-40.el7_9
2.0.0-40.el7_9

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/ruby to a version that resolves this vulnerability.

    Fixed in 2.0.0.648-40.el7_9
  2. Upgrade

    Upgrade redhat/ruby-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.0.0.648-40.el7_9
  3. Upgrade

    Upgrade redhat/ruby-devel to a version that resolves this vulnerability.

    Fixed in 2.0.0.648-40.el7_9
  4. Upgrade

    Upgrade redhat/ruby-doc to a version that resolves this vulnerability.

    Fixed in 2.0.0.648-40.el7_9
  5. Upgrade

    Upgrade redhat/ruby-irb to a version that resolves this vulnerability.

    Fixed in 2.0.0.648-40.el7_9
  6. Upgrade

    Upgrade redhat/ruby-libs to a version that resolves this vulnerability.

    Fixed in 2.0.0.648-40.el7_9
  7. Upgrade

    Upgrade redhat/ruby-tcltk to a version that resolves this vulnerability.

    Fixed in 2.0.0.648-40.el7_9
  8. Upgrade

    Upgrade redhat/rubygem-bigdecimal to a version that resolves this vulnerability.

    Fixed in 1.2.0-40.el7_9
  9. Upgrade

    Upgrade redhat/rubygem-io-console to a version that resolves this vulnerability.

    Fixed in 0.4.2-40.el7_9
  10. Upgrade

    Upgrade redhat/rubygem-json to a version that resolves this vulnerability.

    Fixed in 1.7.7-40.el7_9
  11. Upgrade

    Upgrade redhat/rubygem-minitest to a version that resolves this vulnerability.

    Fixed in 4.3.2-40.el7_9
  12. Upgrade

    Upgrade redhat/rubygem-psych to a version that resolves this vulnerability.

    Fixed in 2.0.0-40.el7_9
  13. Upgrade

    Upgrade redhat/rubygem-rake to a version that resolves this vulnerability.

    Fixed in 0.9.6-40.el7_9
  14. Upgrade

    Upgrade redhat/rubygem-rdoc to a version that resolves this vulnerability.

    Fixed in 4.0.0-40.el7_9
  15. Upgrade

    Upgrade redhat/rubygems to a version that resolves this vulnerability.

    Fixed in 2.0.14.1-40.el7_9
  16. Upgrade

    Upgrade redhat/rubygems-devel to a version that resolves this vulnerability.

    Fixed in 2.0.14.1-40.el7_9

Event History

Nov 9, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

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