PT-2026-29606
CVE-2026-34517
·
Published
2026-03-11
·
Updated
2026-10-06
Description by
CVSS 4.0
6.9
MediumMetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions
AIOHTTP versions prior to 3.13.4
Description
Prior to version 3.13.4, AIOHTTP, an asynchronous HTTP client/server framework for asyncio and Python, read the entire multipart form field into memory before checking the
client max size limit. This could allow an attacker to cause significant temporary memory allocation even if the request is ultimately rejected.Recommendations
Update to version 3.13.4 or later.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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