CVE-2023-47627

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

CVE-2023-47627 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2023-47627, released November 14, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0086
58th percentile

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. The HTTP parser in AIOHTTP has numerous problems with header parsing, which could lead to request smuggling. This parser is only used when AIOHTTP_NO_EXTENSIONS is enabled (or not using a prebuilt wheel). These bugs have been addressed in commit `d5c12ba89` which has been included in release version 3.8.6. Users are advised to upgrade. There are no known workarounds for these issues.

Where it's fixed

ProductFixed inFixReleased
Linux
python-aiohttp · Debian 11.6 (bullseye) 3.7.4-1+deb11u1 DLA-4041-1 Feb 3, 2025
python-aiohttp · Debian 12.15 (bookworm) 3.8.4-1+deb12u1 DSA-5828-1 Dec 11, 2024
python-aiohttp · Debian 13.5 (trixie) 3.8.6-1 DEBIAN-CVE-2023-47627 Nov 14, 2023
python-aiohttp · Debian 14 3.8.6-1 DEBIAN-CVE-2023-47627 Nov 14, 2023
python3-aiohttp · Ubuntu 22.04.1 LTS (jammy) 3.8.1-4ubuntu0.2+esm1 python3-aiohttp 3.8.1-4ubuntu0.2+esm1 Nov 18, 2024

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