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CVE-2026-34513

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-34513

Severity

Unknown
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Summary

AIOHTTP: Denial of Service (DoS) via Unbounded DNS Cache in TCPConnector

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation. This issue has been patched in version 3.13.4.

Affected packages

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