# libcurl4t64 security updates

Patch Radar has 40 security fixes for libcurl4t64, closing 72 CVEs. The newest security fix is libcurl4t64 8.18.0-1ubuntu2.8, released November 7, 2026.

- Web page: https://patchblox.com/security/product/linux/libcurl4t64
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libcurl4t64 8.18.0-1ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.8.md) | Nov 7, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.8 | High | 18 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.16.md) | Oct 21, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.16 | High | 9 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.15](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.15.md) | Sep 28, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.15 | High | 4 | 0 |
| [libcurl4t64 8.18.0-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.7.md) | Sep 6, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.7 | High | 6 | 0 |
| [libcurl4t64 8.14.1-2ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.5.md) | Jul 21, 2026 | Ubuntu 25.10 (questing) 8.14.1-2ubuntu1.5 | High | 2 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.11](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.11.md) | Jul 13, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.11 | High | 1 | 0 |
| [libcurl4t64 8.14.1-2ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.4.md) | Jul 3, 2026 | Ubuntu 25.10 (questing) 8.14.1-2ubuntu1.4 | Urgent | 10 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.10](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.10.md) | Jul 3, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.10 | Urgent | 6 | 0 |
| [libcurl4t64 8.18.0-1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.2.md) | Jun 26, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.2 | Urgent | 10 | 0 |
| [libcurl4t64 8.18.0-1ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.3.md) | Jun 24, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.3 | Urgent | 5 | 0 |
| [libcurl4t64 8.18.0-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.4.md) | Jun 24, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.4 | High | 1 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.12](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.12.md) | Jun 24, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.12 | High | 1 | 0 |
| [libcurl4t64 8.18.0-1ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.5.md) | Jun 24, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.5 | High | 1 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.13.md) | Jun 24, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.13 | High | 1 | 0 |
| [libcurl4t64 8.14.1-2ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.3.md) | May 15, 2026 | Ubuntu 25.10 (questing) 8.14.1-2ubuntu1.3 | High | 7 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.9](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.9.md) | May 15, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.9 | High | 7 | 0 |
| [libcurl4t64 8.18.0-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.1.md) | Apr 29, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.1 | High | 7 | 0 |
| [libcurl4t64 8.14.1-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.1.md) | Mar 12, 2026 | Ubuntu 25.10 (questing) 8.14.1-2ubuntu1.1 | High | 7 | 0 |
| [libcurl4t64 8.14.1-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.2.md) | Mar 11, 2026 | Ubuntu 25.10 (questing) 8.14.1-2ubuntu1.2 | High | 4 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.8](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.8.md) | Mar 11, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.8 | High | 4 | 0 |
| [libcurl4t64 8.18.0-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.md) | Mar 11, 2026 | Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2 | High | 3 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcurl4t64-8.5.0-2ubuntu10.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 8.5.0-2ubuntu10.1 | High | 1 | 0 |
| [libcurl4t64 8.2.1-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcurl4t64-8.2.1-1ubuntu3.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 8.2.1-1ubuntu3.1 | Routine | 1 | 0 |
| [libcurl4t64 7.88.1-10ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcurl4t64-7.88.1-10ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 7.88.1-10ubuntu1 | Routine | 2 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcurl4t64-8.5.0-2ubuntu10.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 8.5.0-2ubuntu10.1 | High | 1 | 0 |
| [libcurl4t64 8.2.1-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcurl4t64-8.2.1-1ubuntu3.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 8.2.1-1ubuntu3.1 | Routine | 1 | 0 |
| [libcurl4t64 7.88.1-10ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcurl4t64-7.88.1-10ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 7.88.1-10ubuntu1 | Routine | 2 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.7.md) | Jan 8, 2026 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.7 | Routine | 6 | 0 |
| [libcurl4t64 8.11.1-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcurl4t64-8.11.1-1ubuntu1.md) | Dec 11, 2024 | Ubuntu 25.04 (plucky) 8.11.1-1ubuntu1 | High | 1 | 0 |
| [libcurl4t64 8.9.1-2ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcurl4t64-8.9.1-2ubuntu2.2.md) | Dec 11, 2024 | Ubuntu 24.10 (oracular) 8.9.1-2ubuntu2.2 | High | 1 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.6.md) | Dec 10, 2024 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.6 | High | 1 | 0 |
| [libcurl4t64 8.9.1-2ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcurl4t64-8.9.1-2ubuntu2.1.md) | Nov 6, 2024 | Ubuntu 24.10 (oracular) 8.9.1-2ubuntu2.1 | Routine | 1 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.5.md) | Nov 5, 2024 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.5 | Routine | 1 | 0 |
| [libcurl4t64 8.9.1-2ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcurl4t64-8.9.1-2ubuntu2.md) | Sep 11, 2024 | Ubuntu 24.10 (oracular) 8.9.1-2ubuntu2 | Routine | 1 | 0 |
| [libcurl4t64 8.9.1-2ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcurl4t64-8.9.1-2ubuntu2.md) | Sep 11, 2024 | Ubuntu 25.04 (plucky) 8.9.1-2ubuntu2 | Routine | 1 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.4.md) | Sep 10, 2024 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.4 | Routine | 1 | 0 |
| [libcurl4t64 8.9.1-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcurl4t64-8.9.1-2ubuntu1.md) | Jul 31, 2024 | Ubuntu 24.10 (oracular) 8.9.1-2ubuntu1 | High | 2 | 0 |
| [libcurl4t64 8.9.1-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcurl4t64-8.9.1-2ubuntu1.md) | Jul 31, 2024 | Ubuntu 25.04 (plucky) 8.9.1-2ubuntu1 | High | 1 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.2.md) | Jul 30, 2024 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.2 | High | 1 | 0 |
| [libcurl4t64 8.5.0-2ubuntu10.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.1.md) | Mar 27, 2024 | Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.1 | High | 2 | 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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