Vulnerability in Aiohttp

CVE-2024-52303

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…

EPSS: 0.006 (43.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-52303?
CVE-2024-52303 is a high-severity vulnerability in Aiohttp, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2024-11-18.
How severe is CVE-2024-52303?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-52303 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.