{"id":"UBUNTU-CVE-2019-9578","details":"In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.","modified":"2026-04-22T12:23:59.947051Z","published":"2019-03-05T23:29:00Z","upstream":["CVE-2019-9578"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9578"},{"type":"REPORT","url":"https://developers.yubico.com/libu2f-host/Release_Notes.html"},{"type":"REPORT","url":"https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-9578"}],"affected":[{"package":{"name":"libu2f-host","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libu2f-host@1.0.0-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.4-1","1.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.0-1","binary_name":"libu2f-host0"},{"binary_version":"1.0.0-1","binary_name":"u2f-host"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-9578.json"}},{"package":{"name":"libu2f-host","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libu2f-host@1.1.4-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.3-1","1.1.4-1","1.1.4-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.4-1ubuntu0.1","binary_name":"libu2f-host0"},{"binary_version":"1.1.4-1ubuntu0.1","binary_name":"libu2f-udev"},{"binary_version":"1.1.4-1ubuntu0.1","binary_name":"u2f-host"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-9578.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}