# CVE-2026-33210: ruby-json: Ruby JSON is a JSON implementation for Ruby

CVE-2026-33210 is fixed in 34 products on 1 platform, first by DEBIAN-CVE-2026-33210, released March 20, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-33210
- Priority: Urgent
- CVSS: 9.1 (critical)
- EPSS: 0.0089
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 20, 2026

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ruby RHEL 9 | 0:4.0.3-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | ruby almalinux 9 | 4.0.3-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | ruby ol 9 | 0:4.0.3-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | ruby-bundled-gems RHEL 9 | 0:4.0.3-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | ruby-bundled-gems almalinux 9 | 4.0.3-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | ruby-bundled-gems ol 9 | 0:4.0.3-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | ruby-default-gems RHEL 9 | 0:4.0.3-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | ruby-default-gems almalinux 9 | 4.0.3-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | ruby-default-gems ol 9 | 0:4.0.3-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | ruby-devel RHEL 9 | 0:4.0.3-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | ruby-devel almalinux 9 | 4.0.3-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | ruby-devel ol 9 | 0:4.0.3-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | ruby-doc RHEL 9 | 0:4.0.3-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | ruby-doc almalinux 9 | 4.0.3-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | ruby-doc ol 9 | 0:4.0.3-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | ruby-json Debian 14 | 2.19.2+dfsg-1 | [DEBIAN-CVE-2026-33210](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33210.md) | Mar 20, 2026 |
| Linux | ruby-libs RHEL 9 | 0:4.0.3-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | ruby-libs almalinux 9 | 4.0.3-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | ruby-libs ol 9 | 0:4.0.3-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | ruby4.0 RHEL 10 | 4.0.3-34.el10_2 | [RHSA-2026:20606](https://patchblox.com/security/data/fix/linux/rhsa-2026-20606.md) | Apr 24, 2026 |
| Linux | ruby4.0 almalinux 10 | 4.0.3-34.el10_2 | [ALSA-2026:20606](https://patchblox.com/security/data/fix/linux/alsa-2026-20606.md) | May 26, 2026 |
| Linux | ruby4.0 ol 10 | 0:4.0.3-35.el10_2 | [ELSA-2026-20606](https://patchblox.com/security/data/fix/linux/elsa-2026-20606.md) | Jul 17, 2026 |
| Linux | ruby4.0 rocky 10 | 0:4.0.3-34.el10_2 | [RLSA-2026:20606](https://patchblox.com/security/data/fix/linux/rlsa-2026-20606.md) | Jun 4, 2026 |
| Linux | ruby4.0-devel almalinux 10 | 4.0.3-34.el10_2 | [ALSA-2026:20606](https://patchblox.com/security/data/fix/linux/alsa-2026-20606.md) | May 26, 2026 |
| Linux | ruby4.0-devel ol 10 | 0:4.0.3-35.el10_2 | [ELSA-2026-20606](https://patchblox.com/security/data/fix/linux/elsa-2026-20606.md) | Jul 17, 2026 |
| Linux | ruby4.0-doc almalinux 10 | 4.0.3-34.el10_2 | [ALSA-2026:20606](https://patchblox.com/security/data/fix/linux/alsa-2026-20606.md) | May 26, 2026 |
| Linux | ruby4.0-doc ol 10 | 0:4.0.3-35.el10_2 | [ELSA-2026-20606](https://patchblox.com/security/data/fix/linux/elsa-2026-20606.md) | Jul 17, 2026 |
| Linux | ruby4.0-rubygem-mysql2 almalinux 10 | 0.5.7-34.el10_2 | [ALSA-2026:20606](https://patchblox.com/security/data/fix/linux/alsa-2026-20606.md) | May 26, 2026 |
| Linux | ruby4.0-rubygem-mysql2 ol 10 | 0:0.5.7-35.el10_2 | [ELSA-2026-20606](https://patchblox.com/security/data/fix/linux/elsa-2026-20606.md) | Jul 17, 2026 |
| Linux | ruby4.0-rubygem-pg almalinux 10 | 1.6.3-34.el10_2 | [ALSA-2026:20606](https://patchblox.com/security/data/fix/linux/alsa-2026-20606.md) | May 26, 2026 |
| Linux | ruby4.0-rubygem-pg ol 10 | 0:1.6.3-35.el10_2 | [ELSA-2026-20606](https://patchblox.com/security/data/fix/linux/elsa-2026-20606.md) | Jul 17, 2026 |
| Linux | rubygem-bigdecimal RHEL 9 | 0:4.0.1-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-bigdecimal almalinux 9 | 4.0.1-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-bigdecimal ol 9 | 0:4.0.1-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-bundler RHEL 9 | 0:4.0.6-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-bundler almalinux 9 | 4.0.6-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-bundler ol 9 | 0:4.0.6-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-io-console RHEL 9 | 0:0.8.2-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-io-console almalinux 9 | 0.8.2-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-io-console ol 9 | 0:0.8.2-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-irb RHEL 9 | 0:1.16.0-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-irb almalinux 9 | 1.16.0-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-irb ol 9 | 0:1.16.0-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-json RHEL 9 | 0:2.18.0-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-json almalinux 9 | 2.18.0-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-json ol 9 | 0:2.18.0-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-minitest RHEL 9 | 0:6.0.0-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-minitest almalinux 9 | 6.0.0-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-minitest ol 9 | 0:6.0.0-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-mysql2 RHEL 9 | 0:0.5.7-1.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-mysql2 almalinux 9 | 0.5.7-1.module_el9.8.0+232+50f6dd36 | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-mysql2 ol 9 | 0:0.5.7-1.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-mysql2 rocky 9 | 0:0.5.7-1.module+el9.8.0+40094+ce01217c | [RLSA-2026:20596](https://patchblox.com/security/data/fix/linux/rlsa-2026-20596.md) | May 28, 2026 |
| Linux | rubygem-mysql2-doc RHEL 9 | 0:0.5.7-1.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-mysql2-doc almalinux 9 | 0.5.7-1.module_el9.8.0+232+50f6dd36 | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-mysql2-doc ol 9 | 0:0.5.7-1.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-pg RHEL 9 | 0:1.6.3-1.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-pg almalinux 9 | 1.6.3-1.module_el9.8.0+232+50f6dd36 | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-pg ol 9 | 0:1.6.3-1.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-pg rocky 9 | 0:1.6.3-1.module+el9.8.0+40094+ce01217c | [RLSA-2026:20596](https://patchblox.com/security/data/fix/linux/rlsa-2026-20596.md) | May 28, 2026 |
| Linux | rubygem-pg-doc RHEL 9 | 0:1.6.3-1.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-pg-doc almalinux 9 | 1.6.3-1.module_el9.8.0+232+50f6dd36 | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-pg-doc ol 9 | 0:1.6.3-1.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-power_assert RHEL 9 | 0:3.0.1-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-power_assert almalinux 9 | 3.0.1-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-power_assert ol 9 | 0:3.0.1-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-psych RHEL 9 | 0:5.3.1-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-psych almalinux 9 | 5.3.1-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-psych ol 9 | 0:5.3.1-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-racc RHEL 9 | 0:1.8.1-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-racc almalinux 9 | 1.8.1-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-racc ol 9 | 0:1.8.1-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-rake RHEL 9 | 0:13.3.1-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-rake almalinux 9 | 13.3.1-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-rake ol 9 | 0:13.3.1-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-rbs RHEL 9 | 0:3.10.0-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-rbs almalinux 9 | 3.10.0-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-rbs ol 9 | 0:3.10.0-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-rdoc RHEL 9 | 0:7.0.3-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-rdoc almalinux 9 | 7.0.3-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-rdoc ol 9 | 0:7.0.3-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-rexml RHEL 9 | 0:3.4.4-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-rexml almalinux 9 | 3.4.4-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-rexml ol 9 | 0:3.4.4-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-rss RHEL 9 | 0:0.3.2-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-rss almalinux 9 | 0.3.2-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-rss ol 9 | 0:0.3.2-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-test-unit RHEL 9 | 0:3.7.5-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-test-unit almalinux 9 | 3.7.5-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-test-unit ol 9 | 0:3.7.5-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygem-typeprof RHEL 9 | 0:0.31.1-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygem-typeprof almalinux 9 | 0.31.1-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygem-typeprof ol 9 | 0:0.31.1-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygems RHEL 9 | 0:4.0.6-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygems almalinux 9 | 4.0.6-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygems ol 9 | 0:4.0.6-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |
| Linux | rubygems-devel RHEL 9 | 0:4.0.6-32.module+el9.8.0+24280+122d8796 | [RHSA-2026:20596](https://patchblox.com/security/data/fix/linux/rhsa-2026-20596.md) | May 27, 2026 |
| Linux | rubygems-devel almalinux 9 | 4.0.6-32.module_el9.8.0+251+5fdbd96b | [ALSA-2026:20596](https://patchblox.com/security/data/fix/linux/alsa-2026-20596.md) | May 26, 2026 |
| Linux | rubygems-devel ol 9 | 0:4.0.6-32.module+el9.8.0+90929+122d8796 | [ELSA-2026-20596](https://patchblox.com/security/data/fix/linux/elsa-2026-20596.md) | Jun 24, 2026 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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