{"id":"ALPINE-CVE-2020-27153","details":"In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.","modified":"2026-08-20T10:18:02.629948374Z","published":"2020-10-15T03:15:12.120Z","upstream":["CVE-2020-27153"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-27153"}],"affected":[{"package":{"name":"bluez","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/bluez?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.50-r5"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-27153.json"}},{"package":{"name":"bluez","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/bluez?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.52-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-27153.json"}},{"package":{"name":"bluez","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/bluez?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.54-r6"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-27153.json"}},{"package":{"name":"bluez","ecosystem":"Alpine:v3.9","purl":"pkg:apk/alpine/bluez?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.50-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-27153.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"}]}