# libctf0 security updates

Patch Radar has 32 security fixes for libctf0, closing 50 CVEs. The newest is libctf0 2.44-3ubuntu1.1 (2.44-3ubuntu1.1), released January 16, 2026.

- Web page: https://patchblox.com/security/product/linux/libctf0
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libctf0 2.44-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libctf0-2.44-3ubuntu1.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.44-3ubuntu1.1 | High | 11 | 0 |
| [libctf0 2.43.1-4ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libctf0-2.43.1-4ubuntu1.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.43.1-4ubuntu1.1 | High | 2 | 0 |
| [libctf0 2.43.1-4ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libctf0-2.43.1-4ubuntu1.2.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.43.1-4ubuntu1.2 | Routine | 5 | 0 |
| [libctf0 2.34-6ubuntu1.11+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.11-esm1.md) | Oct 16, 2025 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.11+esm1 | High | 9 | 0 |
| [libctf0 2.38-4ubuntu2.11](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.11.md) | Oct 16, 2025 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.11 | Routine | 2 | 0 |
| [libctf0 2.42-4ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libctf0-2.42-4ubuntu2.7.md) | Oct 16, 2025 | Ubuntu 24.04.5 LTS (noble) 2.42-4ubuntu2.7 | Routine | 2 | 0 |
| [libctf0 2.45-7ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libctf0-2.45-7ubuntu1.1.md) | Oct 16, 2025 | Ubuntu 25.10 (questing) 2.45-7ubuntu1.1 | Routine | 2 | 0 |
| [libctf0 2.45-7ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libctf0-2.45-7ubuntu1.2.md) | Oct 8, 2025 | Ubuntu 25.10 (questing) 2.45-7ubuntu1.2 | High | 8 | 0 |
| [libctf0 2.34-6ubuntu1.11+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.11-esm2.md) | Oct 8, 2025 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.11+esm2 | High | 5 | 0 |
| [libctf0 2.38-4ubuntu2.12](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.12.md) | Oct 8, 2025 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.12 | Routine | 4 | 0 |
| [libctf0 2.42-4ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libctf0-2.42-4ubuntu2.8.md) | Oct 8, 2025 | Ubuntu 24.04.5 LTS (noble) 2.42-4ubuntu2.8 | Routine | 4 | 0 |
| [libctf0 2.42-4ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libctf0-2.42-4ubuntu2.6.md) | Sep 27, 2025 | Ubuntu 24.04.5 LTS (noble) 2.42-4ubuntu2.6 | High | 10 | 0 |
| [libctf0 2.38-4ubuntu2.10](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.10.md) | Sep 27, 2025 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.10 | High | 9 | 0 |
| [libctf0 2.38-4ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.8.md) | Feb 11, 2025 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.8 | Routine | 6 | 0 |
| [libctf0 2.42-4ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libctf0-2.42-4ubuntu2.5.md) | Feb 11, 2025 | Ubuntu 24.04.5 LTS (noble) 2.42-4ubuntu2.5 | Routine | 6 | 0 |
| [libctf0 2.34-6ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.11.md) | Feb 11, 2025 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.11 | Routine | 3 | 0 |
| [libctf0 2.38-4ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.7.md) | Jan 29, 2025 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.7 | High | 2 | 0 |
| [libctf0 2.42-4ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libctf0-2.42-4ubuntu2.4.md) | Jan 29, 2025 | Ubuntu 24.04.5 LTS (noble) 2.42-4ubuntu2.4 | High | 2 | 0 |
| [libctf0 2.34-6ubuntu1.10](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.10.md) | Jan 29, 2025 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.10 | High | 1 | 0 |
| [libctf0 2.38-4ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.2.md) | Aug 22, 2023 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.2 | High | 6 | 0 |
| [libctf0 2.34-6ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.7.md) | Aug 22, 2023 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.7 | High | 3 | 0 |
| [libctf0 2.34-6ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.9.md) | Aug 22, 2023 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.9 | High | 3 | 0 |
| [libctf0 2.38-4ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.6.md) | Aug 22, 2023 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.6 | High | 3 | 0 |
| [libctf0 2.34-6ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.8.md) | Aug 22, 2023 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.8 | High | 6 | 0 |
| [libctf0 2.38-4ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.5.md) | Aug 22, 2023 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.5 | High | 6 | 0 |
| [libctf0 2.34-6ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.5.md) | Aug 22, 2023 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.5 | High | 5 | 0 |
| [libctf0 2.38-4ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.4.md) | Aug 22, 2023 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.4 | Routine | 2 | 0 |
| [libctf0 2.34-6ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.4.md) | Aug 25, 2022 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.4 | Routine | 1 | 0 |
| [libctf0 2.38-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.38-4ubuntu2.1.md) | Aug 25, 2022 | Ubuntu 22.04.1 LTS (jammy) 2.38-4ubuntu2.1 | Routine | 1 | 0 |
| [libctf0 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.6.md) | Dec 15, 2021 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.6 | High | 1 | 0 |
| [libctf0 2.37-7ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libctf0-2.37-7ubuntu1.md) | May 26, 2021 | Ubuntu 22.04.1 LTS (jammy) 2.37-7ubuntu1 | Routine | 1 | 0 |
| [libctf0 2.34-6ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.3.md) | Apr 15, 2021 | Ubuntu 20.04 LTS (focal) 2.34-6ubuntu1.3 | Routine | 2 | 0 |

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Data as of 2026-11-06T17:00:54Z 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
