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libp2p: yamux connection DoS via oversized data frame

🗓️ 19 Aug 2026 11:56:25Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 5 Views

py-libp2p yamux accepts oversized DATA frames without window checks, causing indefinite read stalls and DoS.

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Data

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19 Aug 2026 12:16Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
EPSS0.00351
SSVC
5