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Security Advisories

CVE-2025-69227

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-69227

Severity

Unknown
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Summary

AIOHTTP vulnerable to DoS when bypassing asserts

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow for an infinite loop to occur when assert statements are bypassed, resulting in a DoS attack when processing a POST body. If optimizations 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. This issue is fixed in version 3.13.3.

References

Affected packages


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