# ruby4.0 security updates

Patch Radar has 18 security fixes for ruby4.0, closing 13 CVEs. The newest security fix is RLSA-2026:72427 (0:4.0.6-37.el10_2), released September 29, 2026.

- Web page: https://patchblox.com/security/product/linux/ruby4.0
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [RLSA-2026:72427](https://patchblox.com/security/data/fix/linux/rlsa-2026-72427.md) | Sep 29, 2026 | rocky 10 0:4.0.6-37.el10_2 | High | 1 | 0 |
| [ALSA-2026:72427](https://patchblox.com/security/data/fix/linux/alsa-2026-72427.md) | Sep 28, 2026 | almalinux 10 4.0.6-37.el10_2 | High | 1 | 0 |
| [ELSA-2026-72427](https://patchblox.com/security/data/fix/linux/elsa-2026-72427.md) | Sep 28, 2026 | ol 10 0:4.0.6-37.el10_2 | High | 1 | 0 |
| [ALAS2023-2026-2144](https://patchblox.com/security/data/fix/linux/alas2023-2026-2144.md) | Sep 14, 2026 | amzn 2023 4.0.1-32.amzn2023.0.4 | High | 2 | 0 |
| [RHSA-2026:72427](https://patchblox.com/security/data/fix/linux/rhsa-2026-72427.md) | Aug 27, 2026 | RHEL 10 4.0.6-37.el10_2 | High | 1 | 0 |
| [RLSA-2026:50773](https://patchblox.com/security/data/fix/linux/rlsa-2026-50773.md) | Aug 27, 2026 | rocky 10 0:4.0.6-36.el10_2 | High | 6 | 0 |
| [ELSA-2026-50773](https://patchblox.com/security/data/fix/linux/elsa-2026-50773.md) | Aug 14, 2026 | ol 10 0:4.0.6-36.el10_2 | High | 6 | 0 |
| [ALSA-2026:50773](https://patchblox.com/security/data/fix/linux/alsa-2026-50773.md) | Aug 5, 2026 | almalinux 10 4.0.6-36.el10_2 | High | 6 | 0 |
| [ELSA-2026-20606](https://patchblox.com/security/data/fix/linux/elsa-2026-20606.md) | Jul 17, 2026 | ol 10 0:4.0.3-35.el10_2 | Urgent | 2 | 0 |
| [ELSA-2026-33540](https://patchblox.com/security/data/fix/linux/elsa-2026-33540.md) | Jul 16, 2026 | ol 10 0:4.0.3-35.el10_2 | High | 3 | 0 |
| [RLSA-2026:33540](https://patchblox.com/security/data/fix/linux/rlsa-2026-33540.md) | Jul 5, 2026 | rocky 10 0:4.0.3-35.el10_2 | High | 3 | 0 |
| [ALSA-2026:33540](https://patchblox.com/security/data/fix/linux/alsa-2026-33540.md) | Jun 30, 2026 | almalinux 10 4.0.3-35.el10_2 | High | 3 | 0 |
| [RHSA-2026:50773](https://patchblox.com/security/data/fix/linux/rhsa-2026-50773.md) | Jun 22, 2026 | RHEL 10 4.0.6-36.el10_2 | High | 6 | 0 |
| [ALAS2023-2026-1806](https://patchblox.com/security/data/fix/linux/alas2023-2026-1806.md) | Jun 8, 2026 | amzn 2023 4.0.1-32.amzn2023.0.2 | High | 2 | 0 |
| [RLSA-2026:20606](https://patchblox.com/security/data/fix/linux/rlsa-2026-20606.md) | Jun 4, 2026 | rocky 10 0:4.0.3-34.el10_2 | Urgent | 2 | 0 |
| [ALSA-2026:20606](https://patchblox.com/security/data/fix/linux/alsa-2026-20606.md) | May 26, 2026 | almalinux 10 4.0.3-34.el10_2 | Urgent | 2 | 0 |
| [RHSA-2026:33540](https://patchblox.com/security/data/fix/linux/rhsa-2026-33540.md) | May 9, 2026 | RHEL 10 4.0.3-35.el10_2 | High | 3 | 0 |
| [RHSA-2026:20606](https://patchblox.com/security/data/fix/linux/rhsa-2026-20606.md) | Apr 24, 2026 | RHEL 10 4.0.3-34.el10_2 | Urgent | 2 | 0 |

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Data as of 2026-11-07T12:40:37Z 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

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