# DLA-4087-1: python3.9 security update

DLA-4087-1, released March 20, 2025, fixes 1 CVE in python3.9 (version 3.9.2-1+deb11u3). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-4087-1
- Platform: Linux
- Released: Mar 20, 2025
- Priority: High (Closes CVE-2022-0391, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2022-0391

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [python3.9](https://patchblox.com/security/data/product/linux/python3.9.md) | Debian 11.6 (bullseye) | 3.9.2-1+deb11u3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-0391](https://patchblox.com/security/data/cve/CVE-2022-0391.md) | High | Python 3.8 and 5 others: A flaw was found in Python, specifically within the urllib.parse module. | 8.8 | 0.0854 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo