{"action":"Upgrade ntp to 1:4.2.8p9+dfsg-1 or later.","affected":[{"fixed":"1:4.2.8p9+dfsg-1","introduced":"0"}],"component":"ntp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1:4.2.8p9+dfsg-1"],"id":"tcs_01M5NBQKNTHXG0CG7AZ28SGK1B","modified_at":"2026-08-04T06:04:08.154874319Z","published_at":"2017-01-13T16:59:00.357Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-7427","https://security-tracker.debian.org/tracker/CVE-2016-7427"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-7427","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-7427"}],"summary":"The broadcast mode replay prevention functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via a crafted broadcast mode packe"}