# python3-marshmallow security updates

Patch Radar has 4 security fixes for python3-marshmallow, closing 2 CVEs. The newest is python3-marshmallow 3.13.0-1ubuntu0.1~esm1 (3.13.0-1ubuntu0.1~esm1), released December 22, 2025.

- Web page: https://patchblox.com/security/product/linux/python3-marshmallow
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [python3-marshmallow 3.13.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-marshmallow-3.13.0-1ubuntu0.1-esm1.md) | Dec 22, 2025 | Ubuntu 22.04.1 LTS (jammy) 3.13.0-1ubuntu0.1~esm1 | Routine | 1 | 0 |
| [python3-marshmallow 3.20.1-1.1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-marshmallow-3.20.1-1.1ubuntu0.1-esm1.md) | Dec 22, 2025 | Ubuntu 24.04.5 LTS (noble) 3.20.1-1.1ubuntu0.1~esm1 | Routine | 1 | 0 |
| [python3-marshmallow 3.4.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-marshmallow-3.4.0-1ubuntu0.1-esm1.md) | Dec 22, 2025 | Ubuntu 20.04 LTS (focal) 3.4.0-1ubuntu0.1~esm1 | Routine | 1 | 0 |
| [python3-marshmallow 3.0.0b3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-marshmallow-3.0.0b3-1ubuntu0.1-esm1.md) | Sep 18, 2018 | Ubuntu 18.04.6 LTS (bionic) 3.0.0b3-1ubuntu0.1~esm1 | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo