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CVE-2025-6703

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Date: June 26, 2025

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

Severity Score

Related Resources (3)

https://github.com/mozilla/neqo/security/advisories/GHSA-jfv6-x22w-grhf
https://nvd.nist.gov/vuln/detail/CVE-2025-6703
https://www.mend.io/vulnerability-database/CVE-2025-6703

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Top Fix

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Upgrade to version https://github.com/mozilla/neqo.git - v0.13.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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