CVE-2024-52303 — Missing Release of Resource after Effective Lifetime in Aiohttp
Severity
8.7HIGHNVD
EPSS
0.4%
top 39.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 18
Latest updateApr 15
Description
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In versions starting with 3.10.6 and prior to 3.10.11, a memory leak can occur when a request produces a MatchInfoError. This was caused by adding an entry to a cache on each request, due to the building of each MatchInfoError producing a unique cache entry. An attacker may be able to exhaust the memory resources of a server by sending a substantial number (100,000s to millions) of such requests. Those who use any mi…
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Packages3 packages
Patches
🔴Vulnerability Details
4GHSA▶
aiohttp has a memory leak when middleware is enabled when requesting a resource with a non-allowed method↗2024-11-18
OSV▶
aiohttp has a memory leak when middleware is enabled when requesting a resource with a non-allowed method↗2024-11-18
CVEList▶
aiohttp memory leak when middleware is enabled when requesting a resource with a non-allowed method↗2024-11-18
OSV▶
CVE-2024-52303: aiohttp is an asynchronous HTTP client/server framework for asyncio and Python↗2024-11-18
📋Vendor Advisories
3Oracle▶
Oracle Oracle Communications Risk Matrix: Automated Test Suite (AIOHTTP) — CVE-2024-52303↗2025-04-15
Red Hat▶
aiohttp: aiohttp memory leak when middleware is enabled when requesting a resource with a non-allowed method↗2024-11-18
Debian▶
CVE-2024-52303: python-aiohttp - aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. ...↗2024