VDB
KO
LOW

GHSA-mqqc-3gqh-h2x8

AIOHTTP has unicode match groups in regexes for ASCII protocol elements

Details

### Summary

The parser allows non-ASCII decimals to be present in the Range header.

### Impact

There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability.

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Patch: https://github.com/aio-libs/aiohttp/commit/c7b7a044f88c71cefda95ec75cdcfaa4792b3b96

Are you affected?

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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