High
CVSS 8.1
Overview
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.
CVE-2025-30403
A heap-buffer-overflow vulnerability is possible in mvfst via a specially crafte...
Risk analysis
This vulnerability is rated 🟠 HIGH.
- CVSS: 8.1 (HIGH)
- Detected tags: none (tag impact: LOW)
Recommended actions:
- Prioritize remediation based on business criticality and exposure.
- Limit exposure and increase monitoring until fixed.