PT-2025-26949 · Mozilla · Neqo

Mxinden · Published 2025-06-26 · Updated 2025-12-03 · CVE-2025-6703

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: neqo versions 0.4.24 through 0.13.2

Description: The issue is related to an Improper Input Validation vulnerability in Mozilla neqo, which leads to an unexploitable crash.

Recommendations: For neqo versions 0.4.24 through 0.13.2, update to a version that fixes the Improper Input Validation issue to prevent the unexploitable crash.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2025-6703

GHSA-JFV6-X22W-GRHF

Affected Products

Neqo

References · 11

• https://github.com/mozilla/neqo/security/advisories/GHSA-jfv6-x22w-grhf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-6703 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-6703 · Security Note
• https://twitter.com/EnigmaSecurity_/status/1938370003138445314 · Twitter Post
• https://twitter.com/dailycve/status/1996343234168320304 · Twitter Post
• https://t.me/cveNotify/144659 · Telegram Post
• https://twitter.com/EnigmaSecurity_/status/1938268095371526652 · Twitter Post
• https://twitter.com/EnigmaSecurity_/status/1938263812357955603 · Twitter Post
• https://twitter.com/CVEnew/status/1938171328806228198 · Twitter Post
• https://t.me/cvetracker/27113 · Telegram Post
• https://t.me/cvenotify/126729 · Telegram Post