CVE-2024-52303 - Aiohttp MatchInfoError Memory Exhaustion Vulnerability

CVE ID : CVE-2024-52303
Published : Nov. 18, 2024, 8:15 p.m. | 24 minutes ago
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 middlewares with aiohttp.web should upgrade to version 3.10.11 to receive a patch.
Severity: 0.0 | NA
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