{"action":"Upgrade chrony to 1.30-2 or later.","affected":[{"fixed":"1.30-2","introduced":"0"}],"component":"chrony","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.30-2"],"id":"tcs_01M5NB4V6YNEX97EHQFN3F89Y9","modified_at":"2026-09-09T06:47:20.683949925Z","published_at":"2015-04-16T14:59:01.663Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-1821","https://security-tracker.debian.org/tracker/CVE-2015-1821"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-1821","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-1821"}],"summary":"Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) c"}