CVE-2025-69225

Publication date 6 January 2026

Last updated 16 February 2026

Ubuntu priority

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability. This issue is fixed in version 3.13.3.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-aiohttp	25.10 questing	Fixed 3.11.16-1ubuntu0.1
	25.04 plucky	Ignored end of life, was needs-triage
	24.04 LTS noble	Fixed 3.9.1-1ubuntu0.1+esm2
	22.04 LTS jammy	Fixed 3.8.1-4ubuntu0.2+esm2
	20.04 LTS focal	Fixed 3.6.2-1ubuntu1+esm5
	18.04 LTS bionic	Fixed 3.0.1-1ubuntu0.1~esm6
	16.04 LTS xenial	Not affected

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
python-aiohttp	Upstream: c7b7a04

References

Related Ubuntu Security Notices (USN)

USN-8032-1
AIOHTTP vulnerabilities
13 February 2026