# libasan6 security updates

Patch Radar has 11 security fixes for libasan6, closing 5 CVEs. The newest security fix is libasan6 11.4.0-4ubuntu1, released January 16, 2026.

- Web page: https://patchblox.com/security/product/linux/libasan6
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libasan6 11.4.0-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libasan6-11.4.0-4ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 11.4.0-4ubuntu1 | Routine | 1 | 0 |
| [libasan6 11.4.0-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libasan6-11.4.0-4ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 11.4.0-4ubuntu1 | Routine | 1 | 0 |
| [libasan6 10.5.0-1ubuntu1~20.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libasan6-10.5.0-1ubuntu1-20.04.1-esm1.md) | Sep 12, 2023 | Ubuntu 20.04 LTS (focal) 10.5.0-1ubuntu1~20.04.1+esm1 | Routine | 1 | 0 |
| [libasan6 11.4.0-1ubuntu1~22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libasan6-11.4.0-1ubuntu1-22.04.2.md) | Sep 12, 2023 | Ubuntu 22.04.1 LTS (jammy) 11.4.0-1ubuntu1~22.04.2 | Routine | 1 | 0 |
| [libasan6 11.4.0-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libasan6-11.4.0-4ubuntu1.md) | Sep 12, 2023 | Ubuntu 24.04.5 LTS (noble) 11.4.0-4ubuntu1 | Routine | 1 | 0 |
| [ELSA-2023-12788](https://patchblox.com/security/data/fix/linux/elsa-2023-12788.md) | Sep 12, 2023 | ol 8 0:11.2.1-9.1.0.6.el8 | Routine | 2 | 0 |
| [ELSA-2023-12788](https://patchblox.com/security/data/fix/linux/elsa-2023-12788.md) | Sep 12, 2023 | ol 9 0:11.2.1-9.1.0.6.el8 | Routine | 2 | 0 |
| [ELSA-2021-4585](https://patchblox.com/security/data/fix/linux/elsa-2021-4585.md) | Nov 19, 2021 | ol 8 0:10.3.1-1.2.0.1.el8_5 | High | 1 | 0 |
| [ALSA-2021:4586](https://patchblox.com/security/data/fix/linux/alsa-2021-4586.md) | Nov 10, 2021 | almalinux 8 11.2.1-1.2.el8_5 | High | 1 | 0 |
| [RHSA-2021:4586](https://patchblox.com/security/data/fix/linux/rhsa-2021-4586.md) | Nov 10, 2021 | RHEL 8 0:11.2.1-1.2.el8_5 | High | 1 | 0 |
| [libasan6 10.2.0-5ubuntu1~20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libasan6-10.2.0-5ubuntu1-20.04.md) | Jun 8, 2020 | Ubuntu 20.04 LTS (focal) 10.2.0-5ubuntu1~20.04 | 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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