# libcap2 security updates

Patch Radar has 28 security fixes for libcap2, closing 4 CVEs. The newest security fix is libcap2 1:2.75-7ubuntu2.2, released April 30, 2026.

- Web page: https://patchblox.com/security/product/linux/libcap2
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libcap2 1:2.75-7ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcap2-1-2.75-7ubuntu2.2.md) | Apr 30, 2026 | Ubuntu 25.10 (questing) 1:2.75-7ubuntu2.2 | High | 1 | 0 |
| [libcap2 1:2.66-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcap2-1-2.66-5ubuntu2.4.md) | Apr 30, 2026 | Ubuntu 24.04.5 LTS (noble) 1:2.66-5ubuntu2.4 | High | 1 | 0 |
| [libcap2 1:2.44-1ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcap2-1-2.44-1ubuntu0.22.04.3.md) | Apr 30, 2026 | Ubuntu 22.04.1 LTS (jammy) 1:2.44-1ubuntu0.22.04.3 | High | 1 | 0 |
| [DEBIAN-CVE-2026-4878](https://patchblox.com/security/data/fix/linux/debian-cve-2026-4878.md) | Apr 9, 2026 | Debian 14 1:2.78-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-4878](https://patchblox.com/security/data/fix/linux/debian-cve-2026-4878.md) | Apr 9, 2026 | Debian 12.15 (bookworm) 1:2.66-4+deb12u3 | High | 1 | 0 |
| [DEBIAN-CVE-2026-4878](https://patchblox.com/security/data/fix/linux/debian-cve-2026-4878.md) | Apr 9, 2026 | Debian 13.5 (trixie) 1:2.75-10+deb13u1 | High | 1 | 0 |
| [libcap2 1:2.25-1.2ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcap2-1-2.25-1.2ubuntu0.1-esm2.md) | Apr 9, 2026 | Ubuntu 18.04.6 LTS (bionic) 1:2.25-1.2ubuntu0.1~esm2 | High | 1 | 0 |
| [libcap2 1:2.32-1ubuntu0.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcap2-1-2.32-1ubuntu0.2-esm1.md) | Apr 9, 2026 | Ubuntu 20.04 LTS (focal) 1:2.32-1ubuntu0.2+esm1 | High | 1 | 0 |
| [DLA-4092-1](https://patchblox.com/security/data/fix/linux/dla-4092-1.md) | Mar 26, 2025 | Debian 11.6 (bullseye) 1:2.44-1+deb11u1 | Routine | 1 | 0 |
| [libcap2 1:2.66-5ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcap2-1-2.66-5ubuntu3.1.md) | Feb 20, 2025 | Ubuntu 24.10 (oracular) 1:2.66-5ubuntu3.1 | Routine | 1 | 0 |
| [libcap2 1:2.32-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcap2-1-2.32-1ubuntu0.2.md) | Feb 19, 2025 | Ubuntu 20.04 LTS (focal) 1:2.32-1ubuntu0.2 | Routine | 1 | 0 |
| [libcap2 1:2.44-1ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcap2-1-2.44-1ubuntu0.22.04.2.md) | Feb 19, 2025 | Ubuntu 22.04.1 LTS (jammy) 1:2.44-1ubuntu0.22.04.2 | Routine | 1 | 0 |
| [libcap2 1:2.66-5ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcap2-1-2.66-5ubuntu2.2.md) | Feb 19, 2025 | Ubuntu 24.04.5 LTS (noble) 1:2.66-5ubuntu2.2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-1390](https://patchblox.com/security/data/fix/linux/debian-cve-2025-1390.md) | Feb 18, 2025 | Debian 12.15 (bookworm) 1:2.66-4+deb12u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-1390](https://patchblox.com/security/data/fix/linux/debian-cve-2025-1390.md) | Feb 18, 2025 | Debian 13.5 (trixie) 1:2.73-4 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-1390](https://patchblox.com/security/data/fix/linux/debian-cve-2025-1390.md) | Feb 18, 2025 | Debian 14 1:2.73-4 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-2603](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2603.md) | Jun 6, 2023 | Debian 12.15 (bookworm) 1:2.66-4 | High | 1 | 0 |
| [DEBIAN-CVE-2023-2603](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2603.md) | Jun 6, 2023 | Debian 13.5 (trixie) 1:2.66-4 | High | 1 | 0 |
| [DEBIAN-CVE-2023-2603](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2603.md) | Jun 6, 2023 | Debian 14 1:2.66-4 | High | 1 | 0 |
| [DEBIAN-CVE-2023-2602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2602.md) | Jun 6, 2023 | Debian 14 1:2.66-4 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-2602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2602.md) | Jun 6, 2023 | Debian 12.15 (bookworm) 1:2.66-4 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-2602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2602.md) | Jun 6, 2023 | Debian 13.5 (trixie) 1:2.66-4 | Routine | 1 | 0 |
| [libcap2 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcap2-1-2.66-4ubuntu1.md) | May 15, 2023 | Ubuntu 24.10 (oracular) 1:2.66-4ubuntu1 | Routine | 1 | 0 |
| [libcap2 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcap2-1-2.66-4ubuntu1.md) | May 15, 2023 | Ubuntu 25.04 (plucky) 1:2.66-4ubuntu1 | Routine | 1 | 0 |
| [libcap2 1:2.32-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcap2-1-2.32-1ubuntu0.1.md) | May 14, 2023 | Ubuntu 20.04 LTS (focal) 1:2.32-1ubuntu0.1 | High | 2 | 0 |
| [libcap2 1:2.44-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcap2-1-2.44-1ubuntu0.22.04.1.md) | May 14, 2023 | Ubuntu 22.04.1 LTS (jammy) 1:2.44-1ubuntu0.22.04.1 | High | 2 | 0 |
| [libcap2 1:2.25-1.2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcap2-1-2.25-1.2ubuntu0.1-esm1.md) | May 14, 2023 | Ubuntu 18.04.6 LTS (bionic) 1:2.25-1.2ubuntu0.1~esm1 | High | 1 | 0 |
| [libcap2 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcap2-1-2.66-4ubuntu1.md) | May 14, 2023 | Ubuntu 24.04.5 LTS (noble) 1:2.66-4ubuntu1 | Routine | 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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