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Affected Component
Analysis
python3-aiohttp
Patched
Name
CVE-2025-53643
Description
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.
CWEs
Published Date
Updated Date
Workaround
-
Analysis#
Vulnerability Ratings#
1.7
CVSSv4
7.5
CVSSv31
NaN
other
Others affected component#
Name
Project
Project Version
Version
Status
yocto
kirkstone
3.8.6
Patched
Resolved with patches#
python3-aiohttp (yocto:kirkstone)
#
Title
Author
Resolve
1
Add trailer parsing logic (#11269) (#11287)
Sam Bull <git@sambull.org>
CVE-2025-53643
python3-aiohttp (yocto:scarthgap)
#
Title
Author
Resolve
1
Add trailer parsing logic (#11269) (#11287)
Sam Bull <git@sambull.org>
CVE-2025-53643