# libc6-lse security updates

Patch Radar has 14 security fixes for libc6-lse, closing 24 CVEs. The newest is libc6-lse 2.31-0ubuntu9.18+esm1 (2.31-0ubuntu9.18+esm1), released January 20, 2026.

- Web page: https://patchblox.com/security/product/linux/libc6-lse
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libc6-lse 2.31-0ubuntu9.18+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc6-lse-2.31-0ubuntu9.18-esm1.md) | Jan 20, 2026 | Ubuntu 20.04 LTS (focal) 2.31-0ubuntu9.18+esm1 | High | 4 | 0 |
| [libc6-lse 2.27-3ubuntu1.6+esm6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc6-lse-2.27-3ubuntu1.6-esm6.md) | Jan 20, 2026 | Ubuntu 18.04.6 LTS (bionic) 2.27-3ubuntu1.6+esm6 | High | 3 | 0 |
| [libc6-lse 2.27-3ubuntu1.6+esm5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc6-lse-2.27-3ubuntu1.6-esm5.md) | May 16, 2025 | Ubuntu 18.04.6 LTS (bionic) 2.27-3ubuntu1.6+esm5 | High | 1 | 0 |
| [libc6-lse 2.31-0ubuntu9.18](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc6-lse-2.31-0ubuntu9.18.md) | May 16, 2025 | Ubuntu 20.04 LTS (focal) 2.31-0ubuntu9.18 | High | 1 | 0 |
| [libc6-lse 2.27-3ubuntu1.6+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc6-lse-2.27-3ubuntu1.6-esm4.md) | Jan 22, 2025 | Ubuntu 18.04.6 LTS (bionic) 2.27-3ubuntu1.6+esm4 | Routine | 1 | 0 |
| [libc6-lse 2.31-0ubuntu9.17](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc6-lse-2.31-0ubuntu9.17.md) | Jan 22, 2025 | Ubuntu 20.04 LTS (focal) 2.31-0ubuntu9.17 | Routine | 1 | 0 |
| [libc6-lse 2.27-3ubuntu1.6+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc6-lse-2.27-3ubuntu1.6-esm3.md) | May 6, 2024 | Ubuntu 18.04.6 LTS (bionic) 2.27-3ubuntu1.6+esm3 | High | 4 | 0 |
| [libc6-lse 2.31-0ubuntu9.16](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc6-lse-2.31-0ubuntu9.16.md) | May 6, 2024 | Ubuntu 20.04 LTS (focal) 2.31-0ubuntu9.16 | High | 4 | 0 |
| [libc6-lse 2.27-3ubuntu1.6+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc6-lse-2.27-3ubuntu1.6-esm2.md) | Apr 16, 2024 | Ubuntu 18.04.6 LTS (bionic) 2.27-3ubuntu1.6+esm2 | High | 1 | 0 |
| [libc6-lse 2.31-0ubuntu9.15](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc6-lse-2.31-0ubuntu9.15.md) | Apr 16, 2024 | Ubuntu 20.04 LTS (focal) 2.31-0ubuntu9.15 | High | 1 | 0 |
| [libc6-lse 2.27-3ubuntu1.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc6-lse-2.27-3ubuntu1.6-esm1.md) | Sep 18, 2023 | Ubuntu 18.04.6 LTS (bionic) 2.27-3ubuntu1.6+esm1 | High | 2 | 0 |
| [libc6-lse 2.31-0ubuntu9.14](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc6-lse-2.31-0ubuntu9.14.md) | Sep 18, 2023 | Ubuntu 20.04 LTS (focal) 2.31-0ubuntu9.14 | High | 2 | 0 |
| [libc6-lse 2.31-0ubuntu9.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc6-lse-2.31-0ubuntu9.7.md) | Jan 31, 2022 | Ubuntu 20.04 LTS (focal) 2.31-0ubuntu9.7 | High | 11 | 0 |
| [libc6-lse 2.27-3ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc6-lse-2.27-3ubuntu1.5.md) | Jan 31, 2022 | Ubuntu 18.04.6 LTS (bionic) 2.27-3ubuntu1.5 | High | 10 | 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