{"schema_version":"1.7.5","id":"UBUNTU-CVE-2021-3588","published":"2021-06-10T03:15:00Z","modified":"2026-04-22T12:56:58.488997Z","related":["USN-4989-1"],"upstream":["CVE-2021-3588"],"details":"The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the 'offset' variable before using it as an index into an array for reading.","affected":[{"package":{"name":"bluez","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/bluez@5.53-0ubuntu3.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.53-0ubuntu3.2"}]}],"versions":["5.50-0ubuntu4","5.51-0ubuntu1","5.51-0ubuntu2","5.52-0ubuntu1","5.52-0ubuntu2","5.53-0ubuntu1","5.53-0ubuntu2","5.53-0ubuntu3","5.53-0ubuntu3.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"bluetooth","binary_version":"5.53-0ubuntu3.2"},{"binary_name":"bluez","binary_version":"5.53-0ubuntu3.2"},{"binary_name":"bluez-cups","binary_version":"5.53-0ubuntu3.2"},{"binary_name":"bluez-hcidump","binary_version":"5.53-0ubuntu3.2"},{"binary_name":"bluez-obexd","binary_version":"5.53-0ubuntu3.2"},{"binary_name":"bluez-tests","binary_version":"5.53-0ubuntu3.2"},{"binary_name":"libbluetooth3","binary_version":"5.53-0ubuntu3.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3588.json"}}],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3588"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4989-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3588"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}