# lua5.4 security updates

Patch Radar has 19 security fixes for lua5.4, closing 6 CVEs. The newest security fix is DEBIAN-CVE-2021-45985 (5.4.4-1), released April 10, 2023.

- Web page: https://patchblox.com/security/product/linux/lua5.4
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2021-45985](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45985.md) | Apr 10, 2023 | Debian 14 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-45985](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45985.md) | Apr 10, 2023 | Debian 12.15 (bookworm) 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-45985](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45985.md) | Apr 10, 2023 | Debian 13.5 (trixie) 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-33099](https://patchblox.com/security/data/fix/linux/debian-cve-2022-33099.md) | Jul 1, 2022 | Debian 12.15 (bookworm) 5.4.4-3 | High | 1 | 0 |
| [DEBIAN-CVE-2022-33099](https://patchblox.com/security/data/fix/linux/debian-cve-2022-33099.md) | Jul 1, 2022 | Debian 13.5 (trixie) 5.4.4-3 | High | 1 | 0 |
| [DEBIAN-CVE-2022-33099](https://patchblox.com/security/data/fix/linux/debian-cve-2022-33099.md) | Jul 1, 2022 | Debian 14 5.4.4-3 | High | 1 | 0 |
| [lua5.4 5.4.4-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-lua5.4-5.4.4-1ubuntu0.1-esm1.md) | Jul 1, 2022 | Ubuntu 22.04.1 LTS (jammy) 5.4.4-1ubuntu0.1~esm1 | High | 2 | 0 |
| [DEBIAN-CVE-2022-28805](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28805.md) | Apr 8, 2022 | Debian 12.15 (bookworm) 5.4.4-2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-28805](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28805.md) | Apr 8, 2022 | Debian 13.5 (trixie) 5.4.4-2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-28805](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28805.md) | Apr 8, 2022 | Debian 14 5.4.4-2 | High | 1 | 0 |
| [DEBIAN-CVE-2021-44964](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44964.md) | Mar 14, 2022 | Debian 12.15 (bookworm) 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-44964](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44964.md) | Mar 14, 2022 | Debian 13.5 (trixie) 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-44964](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44964.md) | Mar 14, 2022 | Debian 14 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-44647](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44647.md) | Jan 11, 2022 | Debian 12.15 (bookworm) 5.4.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-44647](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44647.md) | Jan 11, 2022 | Debian 13.5 (trixie) 5.4.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-44647](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44647.md) | Jan 11, 2022 | Debian 14 5.4.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-43519](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43519.md) | Nov 9, 2021 | Debian 12.15 (bookworm) 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-43519](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43519.md) | Nov 9, 2021 | Debian 13.5 (trixie) 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-43519](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43519.md) | Nov 9, 2021 | Debian 14 5.4.4-1 | High | 1 | 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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