CVE-2025-30403

Published July 11th, 2025

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CVSS v3

8.1

HIGH

CVSS v2

N/A

Affected

PROJECT

Description

A heap-buffer-overflow vulnerability is possible in mvfst via a specially crafted message during a QUIC session. This issue affects mvfst versions prior to v2025.07.07.00.

facebook/mvfst

An implementation of the QUIC transport protocol.

GitHub

1.64K