{"action":"Upgrade ntp to 1:4.2.8p7+dfsg-1 or later.","affected":[{"fixed":"1:4.2.8p7+dfsg-1","introduced":"0"}],"component":"ntp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1:4.2.8p7+dfsg-1"],"id":"tcs_01M5NBFJNTFW4KWJTCQ0FJVSCY","modified_at":"2026-08-04T06:04:05.369234745Z","published_at":"2017-01-06T21:59:00.413Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-1550","https://security-tracker.debian.org/tracker/CVE-2016-1550"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-1550","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-1550"}],"summary":"An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted m"}