# CVE-2023-41164: python3-django: In Django 3.2 before 3.2.21, 4.1 before 4.1.11, and 4.2 before 4.2.5,django.utils.encoding.uri_to_iri() is subject to...

CVE-2023-41164 is fixed in 3 products on 1 platform, first by python3-django 2:2.2.12-1ubuntu0.19, released September 4, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-41164
- Priority: High
- CVSS: 7.5 (Medium)
- EPSS: 0.0152
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 4, 2023

## Description

In Django 3.2 before 3.2.21, 4.1 before 4.1.11, and 4.2 before 4.2.5,django.utils.encoding.uri_to_iri() is subject to a potential DoS (denial ofservice) attack via certain inputs with a very large number of Unicodecharacters.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-django Debian 11.6 (bullseye) | 2:2.2.28-1~deb11u7 | [DLA-4210-1](https://patchblox.com/security/data/fix/linux/dla-4210-1.md) | Jun 5, 2025 |
| Linux | python-django Debian 12.15 (bookworm) | 3:3.2.25-0+deb12u1 | [DEBIAN-CVE-2023-41164](https://patchblox.com/security/data/fix/linux/debian-cve-2023-41164.md) | Nov 3, 2023 |
| Linux | python-django Debian 13.5 (trixie) | 3:3.2.21-1 | [DEBIAN-CVE-2023-41164](https://patchblox.com/security/data/fix/linux/debian-cve-2023-41164.md) | Nov 3, 2023 |
| Linux | python-django Debian 14 | 3:3.2.21-1 | [DEBIAN-CVE-2023-41164](https://patchblox.com/security/data/fix/linux/debian-cve-2023-41164.md) | Nov 3, 2023 |
| Linux | python-django Ubuntu 18.04.6 LTS (bionic) | 1:1.11.11-1ubuntu1.21+esm2 | [python-django 1:1.11.11-1ubuntu1.21+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-django-1-1.11.11-1ubuntu1.21-esm2.md) | Oct 4, 2023 |
| Linux | python-django-common Ubuntu 18.04.6 LTS (bionic) | 1:1.11.11-1ubuntu1.21+esm2 | [python-django-common 1:1.11.11-1ubuntu1.21+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-django-common-1-1.11.11-1ubuntu1.21-esm2.md) | Oct 4, 2023 |
| Linux | python3-django Ubuntu 18.04.6 LTS (bionic) | 1:1.11.11-1ubuntu1.21+esm2 | [python3-django 1:1.11.11-1ubuntu1.21+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-django-1-1.11.11-1ubuntu1.21-esm2.md) | Oct 4, 2023 |
| Linux | python3-django Ubuntu 20.04 LTS (focal) | 2:2.2.12-1ubuntu0.19 | [python3-django 2:2.2.12-1ubuntu0.19](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-django-2-2.2.12-1ubuntu0.19.md) | Sep 4, 2023 |
| Linux | python3-django Ubuntu 22.04.1 LTS (jammy) | 2:3.2.12-2ubuntu1.8 | [python3-django 2:3.2.12-2ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-django-2-3.2.12-2ubuntu1.8.md) | Sep 4, 2023 |
| Linux | python3-django Ubuntu 24.10 (oracular) | 3:4.2.4-1ubuntu1 | [python3-django 3:4.2.4-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-django-3-4.2.4-1ubuntu1.md) | Jan 16, 2026 |
| Linux | python3-django Ubuntu 25.04 (plucky) | 3:4.2.4-1ubuntu1 | [python3-django 3:4.2.4-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-django-3-4.2.4-1ubuntu1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T19:12:23Z 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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