aiohttp has a memory leak when middleware is enabled when requesting a resource with a non-allowed method
### Summary 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. ### Impact If the user is making use of any middlewares with `aiohttp.web` then it is advisable to upgrade immediately. 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. ----- Patch: https://github.com/aio-libs/aiohttp/commit/bc15db61615079d1b6327ba42c682f758fa96936
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Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2024-52303US | — | — | ||
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 produc… | ||||
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