{"id":"CVE-2019-6991","details":"A classic Stack-based buffer overflow exists in the zmLoadUser() function in zm_user.cpp of the zmu binary in ZoneMinder through 1.32.3, allowing an unauthenticated attacker to execute code via a long username.","modified":"2026-04-11T21:03:16.495150Z","published":"2019-01-28T20:29:00.373Z","references":[{"type":"REPORT","url":"https://github.com/ZoneMinder/zoneminder/issues/2478"},{"type":"FIX","url":"https://github.com/ZoneMinder/zoneminder/pull/2482"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zoneminder/zoneminder","events":[{"introduced":"0"},{"last_affected":"077c643da0975a75a46255d5be1a1a2aeae62069"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.32.3"}],"cpe":"cpe:2.3:a:zoneminder:zoneminder:*:*:*:*:*:*:*:*","source":"CPE_FIELD"}}],"versions":["1.32.3","v1.25","v1.26.0","v1.26.1","v1.26.2","v1.26.3"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-6991.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:H/I:H/A:H"}]}