# c-blosc2 security updates

Patch Radar has 7 security fixes for c-blosc2, closing 4 CVEs. The newest is DEBIAN-CVE-2026-103222 (3.3.5-1), released October 16, 2026.

- Web page: https://patchblox.com/security/product/linux/c-blosc2
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2026-103222](https://patchblox.com/security/data/fix/linux/debian-cve-2026-103222.md) | Oct 16, 2026 | Debian 14 3.3.5-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-29476](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29476.md) | Apr 4, 2025 | Debian 13.5 (trixie) 2.17.1+ds-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-29476](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29476.md) | Apr 4, 2025 | Debian 14 2.17.1+ds-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-3204](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3204.md) | Apr 2, 2024 | Debian 13.5 (trixie) 2.13.1+ds-3 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2024-3204](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3204.md) | Apr 2, 2024 | Debian 14 2.13.1+ds-3 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2024-3203](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3203.md) | Apr 2, 2024 | Debian 13.5 (trixie) 2.13.1+ds-3 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2024-3203](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3203.md) | Apr 2, 2024 | Debian 14 2.13.1+ds-3 | Urgent | 1 | 0 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo