CVE-2025-30403 Details
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.
A heap-buffer-overflow vulnerability has been identified in Facebook's mvfst library, specifically in versions from v2025.03.24.00 prior to v2025.07.07.00. The vulnerability can be triggered by a specially crafted message during a QUIC session, potentially leading to memory corruption.
Users can upgrade to mvfst version v2025.07.07.00 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 11, 2025CISA-ADP
Assessed Jul 11, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/facebook/mvfst/commit/65b297332191de6e867c4a3139a233fc84c0e7e0 | [email protected] | Source CodeVendor |
| https://www.facebook.com/security/advisories/cve-2025-30403 | [email protected] | AdvisoryVendor |
Weakness Enumeration
No weakness enumeration is available for this CVE.
Affected Products
| Product | Versions |
|---|---|
| Facebook mvfst | >= 2025.03.24.00, < 2025.07.07.00 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jul 11, 2025 | CVE Modified | CISA-ADP |
| Jul 11, 2025 | New CVE Received | [email protected] |
Volerion