VDB
KO
MEDIUM

GHSA-jj3x-wxrx-4x23

AIOHTTP vulnerable to DoS when bypassing asserts

Details

### Summary When assert statements are bypassed, an infinite loop can occur, resulting in a DoS attack when processing a POST body.

### Impact If optimisations are enabled (`-O` or `PYTHONOPTIMIZE=1`), and the application includes a handler that uses the `Request.post()` method, then an attacker may be able to execute a DoS attack with a specially crafted message.

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Patch: https://github.com/aio-libs/aiohttp/commit/bc1319ec3cbff9438a758951a30907b072561259

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Affected packages

PyPI / aiohttp
Introduced in: 0 Fixed in: 3.13.3
Fix pip install --upgrade 'aiohttp>=3.13.3'

References