VULNERABILITY INTELLIGENCE
CVE-2025-30403
CVSS score8.1 HIGH
EPSS probability0.33%
CISA KEVNot currently listed
Published2025-07-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
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.