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Known vulnerabilities in Facebook mvfst

Is your version affected?

CVE Summary Score Published
CVE-2025-30403 A heap-buffer-overflow vulnerability is possible in mvfst via a specially crafted message during a QUIC session 8.1 High Jul 11, 2025
CVE-2021-24029 A packet of death scenario is possible in mvfst via a specially crafted message during a QUIC session, which causes a… Not rated Mar 15, 2021

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