Candidate: CVE-2021-40818 PublicDate: 2021-09-08 22:15:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40818 https://github.com/babelouest/glewlwyd/commit/0efd112bb62f566877750ad62ee828bff579b4e2 https://bugs.debian.org/993867 Description: scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration. Ubuntu-Description: Notes: Mitigation: Bugs: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993867 Priority: medium Discovered-by: Assigned-to: CVSS: nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL] Patches_glewlwyd: upstream_glewlwyd: released (2.5.2-3) trusty_glewlwyd: ignored (out of standard support) trusty/esm_glewlwyd: DNE xenial_glewlwyd: ignored (out of standard support) bionic_glewlwyd: needs-triage focal_glewlwyd: needs-triage hirsute_glewlwyd: ignored (reached end-of-life) impish_glewlwyd: needs-triage jammy_glewlwyd: needs-triage devel_glewlwyd: needs-triage