# ALSA-2022:0543: rubygem-irb security update

ALSA-2022:0543, released February 16, 2022, fixes 4 CVEs in rubygem-irb (version 1.0.0-108.module_el8.5.0+2623+08a8ba32). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2022-0543
- Platform: Linux
- Released: Feb 16, 2022
- Priority: High (Closes CVE-2020-36327, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2022:0543

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [rubygem-irb](https://patchblox.com/security/data/product/linux/rubygem-irb.md) | almalinux 8 | 1.0.0-108.module_el8.5.0+2623+08a8ba32 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-36327](https://patchblox.com/security/data/cve/CVE-2020-36327.md) | High | rubygem-bundler: This update for rubygem-bundler fixes the following issues:  - CVE-2020-36327: Fixed bundler choosing a dependency so... | 8.8 | 0.0631 |  |
| [CVE-2021-31810](https://patchblox.com/security/data/cve/CVE-2021-31810.md) | High | ruby: Ruby is an extensible, interpreted, object-oriented, scripting language | 7.4 | 0.0305 |  |
| [CVE-2021-32066](https://patchblox.com/security/data/cve/CVE-2021-32066.md) | High | ruby: Ruby is an extensible, interpreted, object-oriented, scripting language | 7.4 | 0.0291 |  |
| [CVE-2021-31799](https://patchblox.com/security/data/cve/CVE-2021-31799.md) | High | ruby-devel: Ruby is an extensible, interpreted, object-oriented, scripting language | 7.4 | 0.0148 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo