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archivevulnerability · 15 Sep 2026 · 20:01 UTC

GHSA-5hq8-qhww-jm7q: libp2p-quic: Remote panic via certificate expiry race during QUIC handshake

VULNCVE-2026-61544source · GTH
HIGHHigh-risk vulnerability

last 60 dispatches · spectrum

### Summary `libp2p-quic` can panic on an inbound QUIC handshake if a malicious peer presents a valid, short lived libp2p TLS certificate and delays the final TLS 1.3 handshake fragment until the certificate expires. This is remotely reachable by a network peer and can crash applications exposing a libp2p QUIC listener. ### Details During the TLS handshake, `libp2p-tls` parses and validates the peer certificate. …

CVE · detail
grounded ✓primary source ↗
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