# libssh-4 security updates

Patch Radar has 42 security fixes for libssh-4, closing 34 CVEs. The newest security fix is libssh-4 0.11.3-1ubuntu2.1, released July 21, 2026.

- Web page: https://patchblox.com/security/product/linux/libssh-4
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libssh-4 0.11.3-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libssh-4-0.11.3-1ubuntu2.1.md) | Jul 21, 2026 | Ubuntu 26.04.1 LTS (resolute) 0.11.3-1ubuntu2.1 | High | 9 | 0 |
| [libssh-4 0.10.6-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libssh-4-0.10.6-2ubuntu0.5.md) | Jul 21, 2026 | Ubuntu 24.04.5 LTS (noble) 0.10.6-2ubuntu0.5 | High | 6 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.8.md) | Jul 21, 2026 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.8 | High | 6 | 0 |
| [libssh-4 0.11.2-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libssh-4-0.11.2-1ubuntu0.2.md) | Mar 12, 2026 | Ubuntu 25.10 (questing) 0.11.2-1ubuntu0.2 | High | 6 | 0 |
| [libssh-4 0.10.6-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libssh-4-0.10.6-2ubuntu0.3.md) | Mar 12, 2026 | Ubuntu 24.04.5 LTS (noble) 0.10.6-2ubuntu0.3 | High | 6 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.6.md) | Mar 12, 2026 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.6 | High | 6 | 0 |
| [libssh-4 0.9.3-2ubuntu2.5+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5-esm3.md) | Mar 12, 2026 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.5+esm3 | High | 6 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm6.md) | Mar 12, 2026 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm6 | High | 6 | 0 |
| [libssh-4 0.10.6-2ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libssh-4-0.10.6-2ubuntu0.4.md) | Mar 8, 2026 | Ubuntu 24.04.5 LTS (noble) 0.10.6-2ubuntu0.4 | High | 1 | 0 |
| [libssh-4 0.11.2-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libssh-4-0.11.2-1ubuntu0.3.md) | Mar 8, 2026 | Ubuntu 25.10 (questing) 0.11.2-1ubuntu0.3 | High | 1 | 0 |
| [libssh-4 0.11.3-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libssh-4-0.11.3-1ubuntu2.md) | Mar 8, 2026 | Ubuntu 26.04.1 LTS (resolute) 0.11.3-1ubuntu2 | High | 1 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm7.md) | Mar 8, 2026 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm7 | High | 1 | 0 |
| [libssh-4 0.9.3-2ubuntu2.5+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5-esm4.md) | Mar 8, 2026 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.5+esm4 | High | 1 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.7.md) | Mar 8, 2026 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.7 | High | 1 | 0 |
| [libssh-4 0.11.1-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libssh-4-0.11.1-1ubuntu0.2.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 0.11.1-1ubuntu0.2 | Routine | 1 | 0 |
| [libssh-4 0.10.6-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libssh-4-0.10.6-2ubuntu0.2.md) | Jul 24, 2025 | Ubuntu 24.04.5 LTS (noble) 0.10.6-2ubuntu0.2 | Routine | 1 | 0 |
| [libssh-4 0.11.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libssh-4-0.11.2-1ubuntu0.1.md) | Jul 24, 2025 | Ubuntu 25.10 (questing) 0.11.2-1ubuntu0.1 | Routine | 1 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm5.md) | Jul 24, 2025 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5 | Routine | 1 | 0 |
| [libssh-4 0.9.3-2ubuntu2.5+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5-esm2.md) | Jul 24, 2025 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.5+esm2 | Routine | 1 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.5.md) | Jul 24, 2025 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.5 | Routine | 1 | 0 |
| [libssh-4 0.11.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libssh-4-0.11.1-1ubuntu0.1.md) | Jun 25, 2025 | Ubuntu 25.04 (plucky) 0.11.1-1ubuntu0.1 | High | 7 | 0 |
| [libssh-4 0.10.6-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libssh-4-0.10.6-3ubuntu1.1.md) | Jun 25, 2025 | Ubuntu 24.10 (oracular) 0.10.6-3ubuntu1.1 | High | 6 | 0 |
| [libssh-4 0.10.6-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libssh-4-0.10.6-2ubuntu0.1.md) | Jun 24, 2025 | Ubuntu 24.04.5 LTS (noble) 0.10.6-2ubuntu0.1 | High | 6 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.4.md) | Jun 24, 2025 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.4 | High | 4 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm4.md) | Jun 24, 2025 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4 | Routine | 3 | 0 |
| [libssh-4 0.9.3-2ubuntu2.5+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5-esm1.md) | Jun 24, 2025 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.5+esm1 | Routine | 3 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7-esm3.md) | Jan 3, 2024 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3 | Routine | 2 | 0 |
| [libssh-4 0.9.3-2ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5.md) | Jan 3, 2024 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.5 | Routine | 2 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.3.md) | Jan 3, 2024 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.3 | Routine | 2 | 0 |
| [libssh-4 0.9.3-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.4.md) | Dec 18, 2023 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.4 | High | 1 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.2.md) | Dec 18, 2023 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.2 | High | 1 | 0 |
| [libssh-4 0.10.5-2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libssh-4-0.10.5-2.md) | May 9, 2023 | Ubuntu 24.10 (oracular) 0.10.5-2 | Routine | 1 | 0 |
| [libssh-4 0.10.5-2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libssh-4-0.10.5-2.md) | May 9, 2023 | Ubuntu 25.04 (plucky) 0.10.5-2 | Routine | 1 | 0 |
| [libssh-4 0.9.3-2ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.3.md) | May 8, 2023 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.3 | Routine | 2 | 0 |
| [libssh-4 0.9.6-2ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.1.md) | May 8, 2023 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-2ubuntu0.22.04.1 | Routine | 2 | 0 |
| [libssh-4 0.9.3-2ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.2.md) | Aug 25, 2021 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.2 | Routine | 1 | 0 |
| [libssh-4 0.9.6-1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libssh-4-0.9.6-1.md) | Aug 25, 2021 | Ubuntu 22.04.1 LTS (jammy) 0.9.6-1 | Routine | 1 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.7.md) | Jul 29, 2020 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.7 | Routine | 1 | 0 |
| [libssh-4 0.9.3-2ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.1.md) | Jul 29, 2020 | Ubuntu 20.04 LTS (focal) 0.9.3-2ubuntu2.1 | Routine | 1 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.6.md) | Apr 9, 2020 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.6 | Routine | 1 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.5.md) | Dec 10, 2019 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.5 | High | 1 | 0 |
| [libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libssh-4-0.8.0-20170825.94fa1e38-1ubuntu0.1.md) | Oct 15, 2018 | Ubuntu 18.04.6 LTS (bionic) 0.8.0~20170825.94fa1e38-1ubuntu0.1 | 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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