{"id":"UBUNTU-CVE-2022-27240","details":"scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.","modified":"2025-10-24T04:53:35Z","published":"2022-03-18T06:15:00Z","upstream":["CVE-2022-27240"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-27240"},{"type":"REPORT","url":"https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940a"},{"type":"REPORT","url":"https://github.com/babelouest/glewlwyd/releases/tag/v2.6.2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-27240"}],"affected":[{"package":{"name":"glewlwyd","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/glewlwyd@1.3.1-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1-2ubuntu1","1.2.2-1","1.3.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"fonts-glewlwyd","binary_version":"1.3.1-1"},{"binary_name":"glewlwyd","binary_version":"1.3.1-1"},{"binary_name":"glewlwyd-common","binary_version":"1.3.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-27240.json"}},{"package":{"name":"glewlwyd","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/glewlwyd@1.4.9-3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.9-2","1.4.9-3"],"ecosystem_specific":{"binaries":[{"binary_name":"fonts-glewlwyd","binary_version":"1.4.9-3"},{"binary_name":"glewlwyd","binary_version":"1.4.9-3"},{"binary_version":"1.4.9-3","binary_name":"glewlwyd-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-27240.json"}},{"package":{"name":"glewlwyd","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/glewlwyd@2.6.1-1build1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.2-3","2.6.1-1","2.6.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.1-1build1","binary_name":"glewlwyd"},{"binary_name":"glewlwyd-common","binary_version":"2.6.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-27240.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}