# modsecurity-crs security updates

Patch Radar has 26 security fixes for modsecurity-crs, closing 8 CVEs. The newest security fix is DEBIAN-CVE-2026-33691 (3.3.9-1), released April 2, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2026-33691](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33691.md) | Apr 2, 2026 | Debian 14 3.3.9-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33691](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33691.md) | Apr 2, 2026 | Debian 12.15 (bookworm) 3.3.4-1+deb12u3 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33691](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33691.md) | Apr 2, 2026 | Debian 13.5 (trixie) 3.3.7-1+deb13u2 | High | 1 | 0 |
| [DLA-4488-1](https://patchblox.com/security/data/fix/linux/dla-4488-1.md) | Feb 22, 2026 | Debian 11.6 (bullseye) 3.3.4-1~deb11u2 | Urgent | 1 | 0 |
| [DSA-6105-1](https://patchblox.com/security/data/fix/linux/dsa-6105-1.md) | Jan 21, 2026 | Debian 12.15 (bookworm) 3.3.4-1+deb12u1 | Routine | 1 | 0 |
| [DSA-6105-1](https://patchblox.com/security/data/fix/linux/dsa-6105-1.md) | Jan 21, 2026 | Debian 13.5 (trixie) 3.3.7-1+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-21876](https://patchblox.com/security/data/fix/linux/debian-cve-2026-21876.md) | Jan 8, 2026 | Debian 14 3.3.8-1 | Routine | 1 | 0 |
| [DLA-4265-1](https://patchblox.com/security/data/fix/linux/dla-4265-1.md) | Aug 8, 2025 | Debian 11.6 (bullseye) 3.3.4-1~deb11u1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2023-38199](https://patchblox.com/security/data/fix/linux/debian-cve-2023-38199.md) | Jul 13, 2023 | Debian 14 3.3.5-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2023-38199](https://patchblox.com/security/data/fix/linux/debian-cve-2023-38199.md) | Jul 13, 2023 | Debian 12.15 (bookworm) 3.3.4-1+deb12u2 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2023-38199](https://patchblox.com/security/data/fix/linux/debian-cve-2023-38199.md) | Jul 13, 2023 | Debian 13.5 (trixie) 3.3.5-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2022-39955](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39955.md) | Sep 20, 2022 | Debian 12.15 (bookworm) 3.3.4-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2022-39955](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39955.md) | Sep 20, 2022 | Debian 13.5 (trixie) 3.3.4-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2022-39955](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39955.md) | Sep 20, 2022 | Debian 14 3.3.4-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2022-39956](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39956.md) | Sep 20, 2022 | Debian 12.15 (bookworm) 3.3.4-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2022-39956](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39956.md) | Sep 20, 2022 | Debian 13.5 (trixie) 3.3.4-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2022-39956](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39956.md) | Sep 20, 2022 | Debian 14 3.3.4-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2022-39958](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39958.md) | Sep 20, 2022 | Debian 12.15 (bookworm) 3.3.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-39958](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39958.md) | Sep 20, 2022 | Debian 13.5 (trixie) 3.3.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-39958](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39958.md) | Sep 20, 2022 | Debian 14 3.3.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-39957](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39957.md) | Sep 20, 2022 | Debian 12.15 (bookworm) 3.3.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-39957](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39957.md) | Sep 20, 2022 | Debian 13.5 (trixie) 3.3.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-39957](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39957.md) | Sep 20, 2022 | Debian 14 3.3.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2020-22669](https://patchblox.com/security/data/fix/linux/debian-cve-2020-22669.md) | Sep 2, 2022 | Debian 12.15 (bookworm) 3.3.2-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2020-22669](https://patchblox.com/security/data/fix/linux/debian-cve-2020-22669.md) | Sep 2, 2022 | Debian 13.5 (trixie) 3.3.2-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2020-22669](https://patchblox.com/security/data/fix/linux/debian-cve-2020-22669.md) | Sep 2, 2022 | Debian 14 3.3.2-1 | Urgent | 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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