{"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_01M5NBA7HMPT8APTA3C3CS05ZZ","modified_at":"2026-08-27T23:02:07.706747585Z","published_at":"2017-01-30T21:59:00.253Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-7975","https://security-tracker.debian.org/tracker/CVE-2015-7975"],"severity":{"label":"medium","score":6.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-7975","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-7975"}],"summary":"The nextvar function in NTP before 4.2.8p6 and 4.3.x before 4.3.90 does not properly validate the length of its input, which allows an attacker to cause a denial of service (application crash)."}