CVE-2023-49208

critical

Description

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.

References

https://github.com/babelouest/glewlwyd/releases/tag/v2.7.6

https://github.com/babelouest/glewlwyd/commit/f9d8c06aae8dfe17e761b18b577ff169e059e812

Details

Source: Mitre, NVD

Published: 2023-11-23

Updated: 2025-06-05

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00351