CVE-2025-6703

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

State: Published
Severity: 2.3 Low
Published: Jun 26, 2025
Updated: Jun 26, 2025
Reserved: Jun 26, 2025

Description

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

Scores

CVSS	Score	Vector	Source
4.0	2.3 Low	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	mozilla

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
neqoMozilla	0.4.24 through 0.13.2Affected

References

https://github.com/mozilla/neqo/security/advisories/GHSA-jfv6-x22w-grhf

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