CVE-2025-6703

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

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.

Category

2.3
CVSS
Severity: Low
CVSS 4.0 •
EPSS 0.08%
Affected: Mozilla neqo
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-6703?
CVE-2025-6703 has been scored as a low severity vulnerability.
How to fix CVE-2025-6703?
To fix CVE-2025-6703, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-6703 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-6703 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-6703?
CVE-2025-6703 affects Mozilla neqo.
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