Threats Tagged 'cve-2026-73568'
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Threats Tagged 'cve-2026-73568'
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CVE-2026-73568: CWE-400: Uncontrolled Resource Consumption in libp2p py-libp2pCVE-2026-73568 0 py-libp2p is the Python implementation of the libp2p networking stack. In 0.7.0 and earlier, the yamux handle_incoming() method in libp2p/stream_muxer/yamux/yamux.py reads an attacker-controlled 32-bit DATA frame length with read_exactly() before validating it against MAX_WINDOW_SIZE or checking whether stream_id exists. A peer that completes the standard Noise handshake can send a 12-byte frame declaring a 0xFFFFFFFF body and then withhold the body, causing the sequential yamux read loop used by the default new_host() configuration to block and preventing every stream on that connection from making progress. No fixed version is available as of this review. Join the discussion | CVE Database V5 | 08/13/2026, 17:43:26 UTC Added: 08/13/2026, 17:57:34 UTC |
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