Description
scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.
References (2)
Core 2
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/babelouest/glewlwyd/commit/0efd112bb62f566877750ad62ee828bff579b4e2
Issue Tracking, Mailing List, Third Party Advisory x_refsource_misc
https://bugs.debian.org/993867
Scores
CVSS v3
9.8
EPSS
0.0046
EPSS Percentile
63.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-120
Status
published
Products (1)
glewlwyd_sso_server_project/glewlwyd_sso_server
< 2.5.3
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026