libp2p-quic: Remote panic via certificate expiry race during QUIC handshake

Date Sep 15, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product Rust · libp2p-quic

CVE CVE-2026-61544

High-risk advisory CVE-2026-61544

Summary

libp2p-quic: Remote panic via certificate expiry race during QUIC handshake

Why it matters

GitHub has published a reviewed security advisory for libp2p-quic. Prioritize it with other application dependency updates.

Operator check

Check whether libp2p-quic is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.2.

Sources

GitHub Advisory GHSA-5hq8-qhww-jm7q NVD — CVE-2026-61544 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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