CVE-2021-40818

CRITICAL CVSS: 9.8 Published: 2021-09-08 Modified: 2026-06-17

Description

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.

Affected Platforms

Glewlwyd Sso Server Project Glewlwyd Sso Server

Weakness Type

CWE-120

References