# liblog4j1.2-java security updates

Patch Radar has 5 security fixes for liblog4j1.2-java, closing 5 CVEs. The newest is liblog4j1.2-java 1.2.17-8+deb10u1ubuntu0.2 (1.2.17-8+deb10u1ubuntu0.2), released January 18, 2022.

- Web page: https://patchblox.com/security/product/linux/liblog4j1.2-java
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [liblog4j1.2-java 1.2.17-8+deb10u1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblog4j1.2-java-1.2.17-8-deb10u1ubuntu0.2.md) | Jan 18, 2022 | Ubuntu 18.04.6 LTS (bionic) 1.2.17-8+deb10u1ubuntu0.2 | High | 3 | 0 |
| [liblog4j1.2-java 1.2.17-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblog4j1.2-java-1.2.17-9ubuntu0.2.md) | Jan 18, 2022 | Ubuntu 20.04 LTS (focal) 1.2.17-9ubuntu0.2 | High | 3 | 0 |
| [liblog4j1.2-java 1.2.17-8+deb10u1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblog4j1.2-java-1.2.17-8-deb10u1ubuntu0.1.md) | Dec 14, 2021 | Ubuntu 18.04.6 LTS (bionic) 1.2.17-8+deb10u1ubuntu0.1 | High | 1 | 0 |
| [liblog4j1.2-java 1.2.17-9ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblog4j1.2-java-1.2.17-9ubuntu0.1.md) | Dec 14, 2021 | Ubuntu 20.04 LTS (focal) 1.2.17-9ubuntu0.1 | High | 1 | 0 |
| [liblog4j1.2-java 1.2.17-8+deb10u1build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblog4j1.2-java-1.2.17-8-deb10u1build0.18.04.1.md) | Dec 20, 2019 | Ubuntu 18.04.6 LTS (bionic) 1.2.17-8+deb10u1build0.18.04.1 | Routine | 1 | 0 |

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Data as of 2026-11-07T00:32:44Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo