REDHAT-BUG-2327130
First published: Mon Nov 18 2024(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| aiohttp | <3.10.11 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2024:10766
- https://access.redhat.com/errata/RHSA-2024:11574
- https://access.redhat.com/errata/RHSA-2025:0340
- https://access.redhat.com/errata/RHSA-2025:0341
- https://access.redhat.com/errata/RHSA-2025:0722
- https://access.redhat.com/errata/RHSA-2025:0753
- https://access.redhat.com/errata/RHSA-2025:1101
- https://bugzilla.redhat.com/show_bug.cgi?id=2327130
Frequently Asked Questions
What is the severity of REDHAT-BUG-2327130?
The severity of REDHAT-BUG-2327130 is critical due to the potential for request smuggling vulnerabilities.
How do I fix REDHAT-BUG-2327130?
To fix REDHAT-BUG-2327130, update aiohttp to version 3.10.11 or later.
What vulnerabilities are associated with REDHAT-BUG-2327130?
REDHAT-BUG-2327130 is associated with request smuggling vulnerabilities caused by improper parsing of newlines in chunk extensions.
Which versions of aiohttp are affected by REDHAT-BUG-2327130?
Versions of aiohttp prior to 3.10.11 are affected by REDHAT-BUG-2327130.
Is there a workaround for REDHAT-BUG-2327130?
There are no recommended workarounds for REDHAT-BUG-2327130 other than upgrading to a patched version.
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