# libxmltok1 security updates

Patch Radar has 18 security fixes for libxmltok1, closing 21 CVEs. The newest security fix is libxmltok1 1.2-4ubuntu0.18.04.1~esm7, released June 21, 2026.

- Web page: https://patchblox.com/security/product/linux/libxmltok1
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libxmltok1 1.2-4ubuntu0.18.04.1~esm7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm7.md) | Jun 21, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.2-4ubuntu0.18.04.1~esm7 | Routine | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.20.04.1~esm7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxmltok1-1.2-4ubuntu0.20.04.1-esm7.md) | Jun 21, 2026 | Ubuntu 20.04 LTS (focal) 1.2-4ubuntu0.20.04.1~esm7 | Routine | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.22.04.1~esm7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxmltok1-1.2-4ubuntu0.22.04.1-esm7.md) | Jun 21, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.2-4ubuntu0.22.04.1~esm7 | Routine | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.18.04.1~esm6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm6.md) | Jan 29, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.2-4ubuntu0.18.04.1~esm6 | High | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.20.04.1~esm6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxmltok1-1.2-4ubuntu0.20.04.1-esm6.md) | Jan 29, 2026 | Ubuntu 20.04 LTS (focal) 1.2-4ubuntu0.20.04.1~esm6 | High | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.22.04.1~esm6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxmltok1-1.2-4ubuntu0.22.04.1-esm6.md) | Jan 29, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.2-4ubuntu0.22.04.1~esm6 | High | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.18.04.1~esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm3.md) | Aug 29, 2024 | Ubuntu 18.04.6 LTS (bionic) 1.2-4ubuntu0.18.04.1~esm3 | Urgent | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.20.04.1~esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxmltok1-1.2-4ubuntu0.20.04.1-esm3.md) | Aug 29, 2024 | Ubuntu 20.04 LTS (focal) 1.2-4ubuntu0.20.04.1~esm3 | Urgent | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.22.04.1~esm3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxmltok1-1.2-4ubuntu0.22.04.1-esm3.md) | Aug 29, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.2-4ubuntu0.22.04.1~esm3 | Urgent | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm1.md) | Feb 14, 2022 | Ubuntu 18.04.6 LTS (bionic) 1.2-4ubuntu0.18.04.1~esm1 | High | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.20.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxmltok1-1.2-4ubuntu0.20.04.1-esm1.md) | Feb 14, 2022 | Ubuntu 20.04 LTS (focal) 1.2-4ubuntu0.20.04.1~esm1 | High | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.22.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxmltok1-1.2-4ubuntu0.22.04.1-esm1.md) | Feb 14, 2022 | Ubuntu 22.04.1 LTS (jammy) 1.2-4ubuntu0.22.04.1~esm1 | High | 2 | 0 |
| [libxmltok1 1.2-4ubuntu0.18.04.1~esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm4.md) | Jan 10, 2022 | Ubuntu 18.04.6 LTS (bionic) 1.2-4ubuntu0.18.04.1~esm4 | High | 12 | 0 |
| [libxmltok1 1.2-4ubuntu0.20.04.1~esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxmltok1-1.2-4ubuntu0.20.04.1-esm4.md) | Jan 10, 2022 | Ubuntu 20.04 LTS (focal) 1.2-4ubuntu0.20.04.1~esm4 | High | 12 | 0 |
| [libxmltok1 1.2-4ubuntu0.22.04.1~esm4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxmltok1-1.2-4ubuntu0.22.04.1-esm4.md) | Jan 10, 2022 | Ubuntu 22.04.1 LTS (jammy) 1.2-4ubuntu0.22.04.1~esm4 | High | 12 | 0 |
| [libxmltok1 1.2-4ubuntu0.18.04.1~esm5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm5.md) | Jul 2, 2012 | Ubuntu 18.04.6 LTS (bionic) 1.2-4ubuntu0.18.04.1~esm5 | Routine | 1 | 0 |
| [libxmltok1 1.2-4ubuntu0.20.04.1~esm5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxmltok1-1.2-4ubuntu0.20.04.1-esm5.md) | Jul 2, 2012 | Ubuntu 20.04 LTS (focal) 1.2-4ubuntu0.20.04.1~esm5 | Routine | 1 | 0 |
| [libxmltok1 1.2-4ubuntu0.22.04.1~esm5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxmltok1-1.2-4ubuntu0.22.04.1-esm5.md) | Jul 2, 2012 | Ubuntu 22.04.1 LTS (jammy) 1.2-4ubuntu0.22.04.1~esm5 | Routine | 1 | 0 |

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Data as of 2026-11-12T13:55:20Z 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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