CVE-2025-6703 LOW

CVE-2025-6703: transport/fc.rs: panic attempting to send MAX_DATA with value larger max varint

Vendor Mozilla
Product neqo
Weakness CWE-20 · Input validation
Published June 26, 2025
Last update June 26, 2025

CVSS base score

2.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/AU:Y/R:A/RE:L/U:Clear

What the vulnerability does

01Description

Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.

Key dates

02Disclosure timeline

June 26, 2025 CVE published
June 26, 2025 Record updated