RHSA-2026:54416: Important: ruby:3.3 security update

Published Aug 12, 2026
·
Updated

Important: ruby:3.3 security update

Other sources

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): net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation (CVE-2026-47242) 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.

— Red Hat

Affected Software

132 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
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redhat/rubygem-psych<5.1.2-6.module+el9.6.0+24618+75aeb29f.1.aa
5.1.2-6.module+el9.6.0+24618+75aeb29f.1.aa
redhat/rubygem-psych-debuginfo<5.1.2-6.module+el9.6.0+24618+75aeb29f.1.aa
5.1.2-6.module+el9.6.0+24618+75aeb29f.1.aa
redhat/rubygem-racc<1.7.3-6.module+el9.6.0+24618+75aeb29f.1.aa
1.7.3-6.module+el9.6.0+24618+75aeb29f.1.aa
redhat/rubygem-racc-debuginfo<1.7.3-6.module+el9.6.0+24618+75aeb29f.1.aa
1.7.3-6.module+el9.6.0+24618+75aeb29f.1.aa
redhat/rubygem-rbs<3.4.0-6.module+el9.6.0+24618+75aeb29f.1.aa
3.4.0-6.module+el9.6.0+24618+75aeb29f.1.aa
redhat/rubygem-rbs-debuginfo<3.4.0-6.module+el9.6.0+24618+75aeb29f.1.aa
3.4.0-6.module+el9.6.0+24618+75aeb29f.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  2. Upgrade

    Upgrade redhat/rubygem-mysql2 to a version that resolves this vulnerability.

    Fixed in 0.5.5-1.module+el9.4.0+21222+faeeed2f
  3. Upgrade

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

    Fixed in 1.5.4-1.module+el9.4.0+21222+faeeed2f
  4. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  5. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  6. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  7. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  8. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  9. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  10. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  11. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  12. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1
  13. Upgrade

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

    Fixed in 3.1.5-6.module+el9.6.0+24618+75aeb29f.1
  14. Upgrade

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

    Fixed in 3.1.5-6.module+el9.6.0+24618+75aeb29f.1
  15. Upgrade

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

    Fixed in 2.5.22-6.module+el9.6.0+24618+75aeb29f.1
  16. Upgrade

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

    Fixed in 0.7.1-6.module+el9.6.0+24618+75aeb29f.1
  17. Upgrade

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

    Fixed in 0.7.1-6.module+el9.6.0+24618+75aeb29f.1
  18. Upgrade

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

    Fixed in 1.13.1-6.module+el9.6.0+24618+75aeb29f.1
  19. Upgrade

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

    Fixed in 2.7.2-6.module+el9.6.0+24618+75aeb29f.1
  20. Upgrade

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

    Fixed in 2.7.2-6.module+el9.6.0+24618+75aeb29f.1
  21. Upgrade

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

    Fixed in 5.20.0-6.module+el9.6.0+24618+75aeb29f.1
  22. Upgrade

    Upgrade redhat/rubygem-mysql2-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.5.5-1.module+el9.4.0+21222+faeeed2f
  23. Upgrade

    Upgrade redhat/rubygem-mysql2-debugsource to a version that resolves this vulnerability.

    Fixed in 0.5.5-1.module+el9.4.0+21222+faeeed2f
  24. Upgrade

    Upgrade redhat/rubygem-mysql2-doc to a version that resolves this vulnerability.

    Fixed in 0.5.5-1.module+el9.4.0+21222+faeeed2f
  25. Upgrade

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

    Fixed in 1.5.4-1.module+el9.4.0+21222+faeeed2f
  26. Upgrade

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

    Fixed in 1.5.4-1.module+el9.4.0+21222+faeeed2f
  27. Upgrade

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

    Fixed in 1.5.4-1.module+el9.4.0+21222+faeeed2f
  28. Upgrade

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

    Fixed in 5.1.2-6.module+el9.6.0+24618+75aeb29f.1
  29. Upgrade

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

    Fixed in 5.1.2-6.module+el9.6.0+24618+75aeb29f.1
  30. Upgrade

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

    Fixed in 1.7.3-6.module+el9.6.0+24618+75aeb29f.1
  31. Upgrade

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

    Fixed in 1.7.3-6.module+el9.6.0+24618+75aeb29f.1
  32. Upgrade

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

    Fixed in 13.1.0-6.module+el9.6.0+24618+75aeb29f.1
  33. Upgrade

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

    Fixed in 3.4.0-6.module+el9.6.0+24618+75aeb29f.1
  34. Upgrade

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

    Fixed in 3.4.0-6.module+el9.6.0+24618+75aeb29f.1
  35. Upgrade

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

    Fixed in 6.6.3.1-6.module+el9.6.0+24618+75aeb29f.1
  36. Upgrade

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

    Fixed in 3.4.4-6.module+el9.6.0+24618+75aeb29f.1
  37. Upgrade

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

    Fixed in 0.3.1-6.module+el9.6.0+24618+75aeb29f.1
  38. Upgrade

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

    Fixed in 3.6.1-6.module+el9.6.0+24618+75aeb29f.1
  39. Upgrade

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

    Fixed in 0.21.9-6.module+el9.6.0+24618+75aeb29f.1
  40. Upgrade

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

    Fixed in 3.5.22-6.module+el9.6.0+24618+75aeb29f.1
  41. Upgrade

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

    Fixed in 3.5.22-6.module+el9.6.0+24618+75aeb29f.1
  42. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  43. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  44. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  45. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  46. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  47. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  48. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  49. Upgrade

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

    Fixed in 3.3.12-6.module+el9.6.0+24618+75aeb29f.1.aa
  50. Upgrade

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

    Fixed in 3.1.5-6.module+el9.6.0+24618+75aeb29f.1.aa
  51. Upgrade

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

    Fixed in 3.1.5-6.module+el9.6.0+24618+75aeb29f.1.aa
  52. Upgrade

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

    Fixed in 0.7.1-6.module+el9.6.0+24618+75aeb29f.1.aa
  53. Upgrade

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

    Fixed in 0.7.1-6.module+el9.6.0+24618+75aeb29f.1.aa
  54. Upgrade

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

    Fixed in 2.7.2-6.module+el9.6.0+24618+75aeb29f.1.aa
  55. Upgrade

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

    Fixed in 2.7.2-6.module+el9.6.0+24618+75aeb29f.1.aa
  56. Upgrade

    Upgrade redhat/rubygem-mysql2 to a version that resolves this vulnerability.

    Fixed in 0.5.5-1.module+el9.4.0+21222+faeeed2f.aa
  57. Upgrade

    Upgrade redhat/rubygem-mysql2-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.5.5-1.module+el9.4.0+21222+faeeed2f.aa
  58. Upgrade

    Upgrade redhat/rubygem-mysql2-debugsource to a version that resolves this vulnerability.

    Fixed in 0.5.5-1.module+el9.4.0+21222+faeeed2f.aa
  59. Upgrade

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

    Fixed in 1.5.4-1.module+el9.4.0+21222+faeeed2f.aa
  60. Upgrade

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

    Fixed in 1.5.4-1.module+el9.4.0+21222+faeeed2f.aa
  61. Upgrade

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

    Fixed in 1.5.4-1.module+el9.4.0+21222+faeeed2f.aa
  62. Upgrade

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

    Fixed in 5.1.2-6.module+el9.6.0+24618+75aeb29f.1.aa
  63. Upgrade

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

    Fixed in 5.1.2-6.module+el9.6.0+24618+75aeb29f.1.aa
  64. Upgrade

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

    Fixed in 1.7.3-6.module+el9.6.0+24618+75aeb29f.1.aa
  65. Upgrade

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

    Fixed in 1.7.3-6.module+el9.6.0+24618+75aeb29f.1.aa
  66. Upgrade

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

    Fixed in 3.4.0-6.module+el9.6.0+24618+75aeb29f.1.aa
  67. Upgrade

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

    Fixed in 3.4.0-6.module+el9.6.0+24618+75aeb29f.1.aa
  68. Upgrade

    Upgrade ruby:3.3 to a version that resolves this vulnerability.

    Fixed in 3.3Patch CVE-2026-47242
  69. Configuration

    Update Ruby (ruby:3.3 security update) to address Net::IMAP arbitrary IMAP command injection caused by improper input validation (CVE-2026-47242).

    Net::IMAP input validation for IMAP command parameters = validated/escaped

Event History

Aug 12, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·05:34 PM
Data Sourced
via Red Hat·05:34 PM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:54416?

The severity of RHSA-2026:54416 is high with a CVSS score of 7.

2

How do I fix RHSA-2026:54416?

To fix RHSA-2026:54416, update Ruby to the latest version provided in the security advisory.

3

What are the security fixes included in RHSA-2026:54416?

RHSA-2026:54416 includes a fix for arbitrary IMAP command injection due to improper input validation in net-imap.

4

What platforms are affected by RHSA-2026:54416?

RHSA-2026:54416 affects Ruby and its associated libraries in Red Hat environments.

5

What vulnerabilities does RHSA-2026:54416 address?

RHSA-2026:54416 addresses vulnerabilities related to input validation and command injection.

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