{"action":"Upgrade ntp to 1:4.2.8p14+dfsg-1 or later.","affected":[{"fixed":"1:4.2.8p14+dfsg-1","introduced":"0"}],"component":"ntp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1:4.2.8p14+dfsg-1"],"id":"tcs_01M5NDJM98VSYYW148E310SYEV","modified_at":"2026-08-04T06:04:38.413417306Z","published_at":"2020-05-06T19:15:12.410Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-8956","https://security-tracker.debian.org/tracker/CVE-2018-8956"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-8956","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-8956"}],"summary":"ntpd in ntp 4.2.8p10, 4.2.8p11, 4.2.8p12 and 4.2.8p13 allow remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via soofed mode 3 and mode 5 packets"}