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CVE-2026-73568 py-libp2p: yamux connection DoS via oversized data frame

🗓️ 13 Aug 2026 17:43:26Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

py-libp2p yamux handle_incoming() blocks on oversized 0xFFFFFFFF DATA frame length, causing DoS.

Related
Affected
Refs
[
  {
    "vendor": "libp2p",
    "product": "py-libp2p",
    "versions": [
      {
        "version": "<= 0.7.0",
        "status": "affected"
      }
    ]
  }
]

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13 Aug 2026 17:43Current
CVSS 3.17.5
EPSS0.00351
29