HTTP Request Smuggling Affecting python3-aiohttp package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (21st percentile)

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  • Snyk IDSNYK-RHEL7-PYTHON3AIOHTTP-10752877
  • published15 Jul 2025
  • disclosed14 Jul 2025

Introduced: 14 Jul 2025

NewCVE-2025-53643  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 python3-aiohttp.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-aiohttp package and not the python3-aiohttp package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.12.14, the Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. 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 3.12.14 contains a patch for this issue.

CVSS Base Scores

version 3.1