CVE-2025-30403
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-11

Last updated on: 2025-07-15

Assigner: Facebook, Inc.

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.
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Meta Information
Published
2025-07-11
Last Modified
2025-07-15
Generated
2026-05-27
AI Q&A
2025-07-11
EPSS Evaluated
2026-05-25
NVD
CVE-2025-30403
EUVD
EUVD-2025-21179
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
facebook mvfst 2025.03.24.00
facebook mvfst 2025.07.07.00
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a heap-buffer-overflow in mvfst that can be triggered by sending a specially crafted message during a QUIC session. It affects versions of mvfst prior to v2025.07.07.00.


How can this vulnerability impact me? :

The heap-buffer-overflow vulnerability could potentially lead to crashes, data corruption, or execution of arbitrary code when processing malicious QUIC messages, impacting the stability and security of systems using affected mvfst versions.


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