CVE-2026-33210
Fixed in a distro release EPSS <1%CVSS 8.3
Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allow_duplicate_key: false parsing option is used to parse user supplied documents. This issue has been patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2.
Products: ruby json, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat Hardened Images, Logging Subsystem for Red Hat OpenShift, Red Hat 3scale API Management Platform 2, Red Hat AMQ Clients, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux AI (RHEL AI) 3
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| RubyGems | json | 2.19.2 |
| RubyGems | json | 2.17.1.2 |
| RubyGems | json | 2.15.2.1 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 10 | ruby4.0 | 4.0.3-34.el10_2 |
| AlmaLinux 10 | ruby4.0-devel | 4.0.3-34.el10_2 |
| AlmaLinux 10 | ruby4.0-doc | 4.0.3-34.el10_2 |
| AlmaLinux 10 | ruby4.0-rubygem-mysql2 | 0.5.7-34.el10_2 |
| AlmaLinux 10 | ruby4.0-rubygem-pg | 1.6.3-34.el10_2 |
| AlmaLinux 9 | ruby | 4.0.3-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | ruby-bundled-gems | 4.0.3-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | ruby-default-gems | 4.0.3-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | ruby-devel | 4.0.3-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | ruby-doc | 4.0.3-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | ruby-libs | 4.0.3-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-bigdecimal | 4.0.1-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-bundler | 4.0.6-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-io-console | 0.8.2-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-irb | 1.16.0-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-json | 2.18.0-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-minitest | 6.0.0-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-mysql2 | 0.5.7-1.module_el9.8.0+232+50f6dd36 |
| AlmaLinux 9 | rubygem-mysql2-doc | 0.5.7-1.module_el9.8.0+232+50f6dd36 |
| AlmaLinux 9 | rubygem-pg | 1.6.3-1.module_el9.8.0+232+50f6dd36 |
| AlmaLinux 9 | rubygem-pg-doc | 1.6.3-1.module_el9.8.0+232+50f6dd36 |
| AlmaLinux 9 | rubygem-power_assert | 3.0.1-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-psych | 5.3.1-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-racc | 1.8.1-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-rake | 13.3.1-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-rbs | 3.10.0-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-rdoc | 7.0.3-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-rexml | 3.4.4-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-rss | 0.3.2-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-test-unit | 3.7.5-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygem-typeprof | 0.31.1-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygems | 4.0.6-32.module_el9.8.0+251+5fdbd96b |
| AlmaLinux 9 | rubygems-devel | 4.0.6-32.module_el9.8.0+251+5fdbd96b |
| Chainguard | cinc-auditor | 7.0.107-r1 |
| Chainguard | gitlab-exporter-18.9 | 18.9.2-r1 |
| Chainguard | jruby-10.1 | 0 |
| Chainguard | logstash-9.2 | 9.2.7-r1 |
| Chainguard | logstash-9.2-iamguarded-compat | 9.2.7-r1 |
| Chainguard | logstash-9.2-with-output-opensearch | 9.2.7-r1 |
| Chainguard | logstash-9.3 | 9.3.2-r1 |
| Chainguard | logstash-9.3-iamguarded-compat | 9.3.2-r1 |
| Chainguard | logstash-9.3-with-output-opensearch | 9.3.2-r1 |
| Chainguard | ruby-4.0 | 4.0.2-r1 |
| Chainguard | ruby3.2-fluentd-kubernetes-daemonset-1.16-kinesis | 1.16.11.1.0-r1 |
| Chainguard | ruby3.2-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.1-r2 |
| Chainguard | ruby3.2-rails-8.1 | 8.1.3-r0 |
| Chainguard | ruby3.3-fluentd-kubernetes-daemonset-1.16-kinesis | 1.16.11.1.0-r1 |
| Chainguard | ruby3.3-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.3-r0 |
| Chainguard | ruby3.3-rails-8.1 | 8.1.2.1-r0 |
| Chainguard | ruby3.4-fluentd-kubernetes-daemonset-1.16-kinesis | 1.16.11.1.0-r1 |
| Chainguard | ruby3.4-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.3-r0 |
| Chainguard | ruby3.4-rails-8.1 | 8.1.2.1-r0 |
| Chainguard | ruby4.0-fluentd-kubernetes-daemonset-1.16-kinesis | 1.16.11.1.0-r2 |
| Chainguard | ruby4.0-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.3-r0 |
| Chainguard | ruby4.0-rails-8.1 | 8.1.2.1-r0 |
| Debian 14 | ruby-json | 2.19.2+dfsg-1 |
| Red Hat Enterprise Linux 10.2 | ruby4.0 | 0:4.0.3-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-debuginfo | 0:4.0.3-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-debugsource | 0:4.0.3-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-devel | 0:4.0.3-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-doc | 0:4.0.3-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-rubygem-mysql2 | 0:0.5.7-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-rubygem-mysql2-debuginfo | 0:0.5.7-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-rubygem-pg | 0:1.6.3-34.el10_2 |
| Red Hat Enterprise Linux 10.2 | ruby4.0-rubygem-pg-debuginfo | 0:1.6.3-34.el10_2 |
| Red Hat Enterprise Linux 9 | ruby | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-bundled-gems | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-bundled-gems-debuginfo | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-debuginfo | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-debugsource | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-default-gems | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-devel | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-doc | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-libs | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | ruby-libs-debuginfo | 0:4.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-bigdecimal | 0:4.0.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-bigdecimal-debuginfo | 0:4.0.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-bundler | 0:4.0.6-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-io-console | 0:0.8.2-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-io-console-debuginfo | 0:0.8.2-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-irb | 0:1.16.0-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-json | 0:2.18.0-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-json-debuginfo | 0:2.18.0-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-minitest | 0:6.0.0-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-mysql2 | 0:0.5.7-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-mysql2-debuginfo | 0:0.5.7-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-mysql2-debugsource | 0:0.5.7-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-mysql2-doc | 0:0.5.7-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-pg | 0:1.6.3-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-pg-debuginfo | 0:1.6.3-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-pg-debugsource | 0:1.6.3-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-pg-doc | 0:1.6.3-1.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-power_assert | 0:3.0.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-psych | 0:5.3.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-psych-debuginfo | 0:5.3.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-racc | 0:1.8.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-racc-debuginfo | 0:1.8.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-rake | 0:13.3.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-rbs | 0:3.10.0-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-rbs-debuginfo | 0:3.10.0-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-rdoc | 0:7.0.3-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-rexml | 0:3.4.4-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-rss | 0:0.3.2-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-test-unit | 0:3.7.5-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygem-typeprof | 0:0.31.1-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygems | 0:4.0.6-32.module+el9.8.0+24280+122d8796 |
| Red Hat Enterprise Linux 9 | rubygems-devel | 0:4.0.6-32.module+el9.8.0+24280+122d8796 |
| Red Hat hummingbird 1 | ruby4.0 | 0:4.0.6-37.2.hum1 |
| Red Hat hummingbird 1 | ruby4.0-bundled-gems | 0:4.0.6-37.2.hum1 |
| Red Hat hummingbird 1 | ruby4.0-default-gems | 0:4.0.6-37.2.hum1 |
| Red Hat hummingbird 1 | ruby4.0-devel | 0:4.0.6-37.2.hum1 |
| Red Hat hummingbird 1 | ruby4.0-doc | 0:4.0.6-37.2.hum1 |
| Red Hat hummingbird 1 | ruby4.0-libs | 0:4.0.6-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-bigdecimal | 0:4.0.1-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-bundler | 0:4.0.16-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-devel | 0:4.0.16-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-io-console | 0:0.8.2-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-irb | 0:1.16.0-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-json | 0:2.18.0-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-minitest | 0:6.0.0-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-power_assert | 0:3.0.1-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-psych | 0:5.3.1-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-racc | 0:1.8.1-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-rake | 0:13.3.1-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-rbs | 0:3.10.0-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-rdoc | 0:7.0.4-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-rexml | 0:3.4.4-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-rss | 0:0.3.2-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-rubygems | 0:4.0.16-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-test-unit | 0:3.7.5-37.2.hum1 |
| Red Hat hummingbird 1 | rubygem4.0-typeprof | 0:0.31.1-37.2.hum1 |
| Rocky Linux 10 | ruby4.0 | 0:4.0.3-34.el10_2 |
| Rocky Linux 9 | rubygem-mysql2 | 0:0.5.7-1.module+el9.8.0+40094+ce01217c |
| Rocky Linux 9 | rubygem-pg | 0:1.6.3-1.module+el9.8.0+40094+ce01217c |
| Ubuntu 14.04 LTS | ruby-json | no fix |
| Ubuntu 16.04 LTS | ruby-json | no fix |
| Ubuntu 18.04 LTS | ruby-json | no fix |
| Ubuntu 20.04 LTS | ruby-json | no fix |
| Ubuntu 22.04 LTS | ruby-json | no fix |
| Ubuntu 24.04 LTS | ruby-json | no fix |
| Ubuntu 25.10 | ruby-json | no fix |
| Ubuntu 26.04 LTS | ruby-json | no fix |
| Ubuntu 26.10 | ruby-json | no fix |
| Wolfi | cinc-auditor | 7.0.107-r1 |
| Wolfi | jruby-10.1 | 0 |
| Wolfi | logstash-9.3 | 9.3.2-r1 |
| Wolfi | logstash-9.3-iamguarded-compat | 9.3.2-r1 |
| Wolfi | logstash-9.3-with-output-opensearch | 9.3.2-r1 |
| Wolfi | ruby-4.0 | 4.0.2-r1 |
| Wolfi | ruby3.2-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.1-r2 |
| Wolfi | ruby3.2-rails-8.1 | 8.1.3-r0 |
| Wolfi | ruby3.3-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.3-r0 |
| Wolfi | ruby3.3-rails-8.1 | 8.1.2.1-r0 |
| Wolfi | ruby3.4-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.3-r0 |
| Wolfi | ruby3.4-rails-8.1 | 8.1.2.1-r0 |
| Wolfi | ruby4.0-fluentd-kubernetes-daemonset-1.19-kinesis | 1.19.2.1.3-r0 |
| Wolfi | ruby4.0-rails-8.1 | 8.1.2.1-r0 |