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.
Published: 2025-06-26
Score: 2.3 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-28762 Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.
History

Wed, 03 Dec 2025 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla neqo
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mozilla:neqo:*:*:*:*:*:rust:*:*
Vendors & Products Mozilla
Mozilla neqo
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L'}

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}


Fri, 27 Jun 2025 00:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L'}

threat_severity

Low


Thu, 26 Jun 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 26 Jun 2025 09:45:00 +0000

Type Values Removed Values Added
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.
Title transport/fc.rs: panic attempting to send MAX_DATA with value larger max varint
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 2.3, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-06-26T12:59:56.348Z

Reserved: 2025-06-26T09:14:53.851Z

Link: CVE-2025-6703

cve-icon Vulnrichment

Updated: 2025-06-26T12:59:53.855Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-26T10:15:25.950

Modified: 2025-12-03T20:41:53.230

Link: CVE-2025-6703

cve-icon Redhat

Severity : Low

Publid Date: 2025-06-26T09:30:03Z

Links: CVE-2025-6703 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses