CVE-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible b ...

Published 23 Nov 2023Modified 17 Jun 2026CWE 120

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD.

Description

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

Affected packages and fixed versions

Source	Package	Fixed in
debian 11	glewlwyd	2.5.2-2+deb11u3
debian 12	glewlwyd	2.7.5-3+deb12u1
debian 13	glewlwyd	2.7.6+ds-1
echo	glewlwyd	2.7.5-3+deb12u1

References

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.