# CVE-2024-52304: python-aiohttp: aiohttp is an asynchronous HTTP client/server framework for asyncio and Python

CVE-2024-52304 is fixed in 2 products on 1 platform, first by python3-aiohttp 3.0.1-1ubuntu0.1~esm5, released November 18, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-52304
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0056
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 18, 2024

## Description

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.10.11, the Python parser parses newlines in chunk extensions incorrectly which can lead to request smuggling vulnerabilities under certain conditions. If a pure Python version of aiohttp is installed (i.e. without the usual C extensions) or `AIOHTTP_NO_EXTENSIONS` is enabled, then an attacker may be able to execute a request smuggling attack to bypass certain firewalls or proxy protections. Version 3.10.11 fixes the issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-aiohttp Debian 12.15 (bookworm) | 3.8.4-1+deb12u1 | [DEBIAN-CVE-2024-52304](https://patchblox.com/security/data/fix/linux/debian-cve-2024-52304.md) | Nov 18, 2024 |
| Linux | python-aiohttp Debian 13.5 (trixie) | 3.10.11-1 | [DEBIAN-CVE-2024-52304](https://patchblox.com/security/data/fix/linux/debian-cve-2024-52304.md) | Nov 18, 2024 |
| Linux | python-aiohttp Debian 14 | 3.10.11-1 | [DEBIAN-CVE-2024-52304](https://patchblox.com/security/data/fix/linux/debian-cve-2024-52304.md) | Nov 18, 2024 |
| Linux | python-aiohttp opensuse-leap 15.6 | 3.9.3-150400.10.27.1 | [SUSE-SU-2024:4077-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4077-1.md) | Nov 27, 2024 |
| Linux | python-aiohttp sles 15.6 | 3.6.0-150100.3.18.1 | [SUSE-SU-2024:4110-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4110-1.md) | Nov 29, 2024 |
| Linux | python3-aiohttp Ubuntu 18.04.6 LTS (bionic) | 3.0.1-1ubuntu0.1~esm5 | [python3-aiohttp 3.0.1-1ubuntu0.1~esm5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-aiohttp-3.0.1-1ubuntu0.1-esm5.md) | Nov 18, 2024 |
| Linux | python3-aiohttp Ubuntu 22.04.1 LTS (jammy) | 3.8.1-4ubuntu0.2+esm1 | [python3-aiohttp 3.8.1-4ubuntu0.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-aiohttp-3.8.1-4ubuntu0.2-esm1.md) | Nov 18, 2024 |
| Linux | python3-aiohttp Ubuntu 24.04.5 LTS (noble) | 3.9.1-1ubuntu0.1+esm1 | [python3-aiohttp 3.9.1-1ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-aiohttp-3.9.1-1ubuntu0.1-esm1.md) | Nov 18, 2024 |

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Data as of 2026-11-08T13:06:02Z 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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