{"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_01M5NBQKX2YV99P6H81AC4XDE8","modified_at":"2026-08-04T06:04:08.147763302Z","published_at":"2017-01-13T16:59:00.467Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-7431","https://security-tracker.debian.org/tracker/CVE-2016-7431"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-7431","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-7431"}],"summary":"NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression."}