{"action":"Upgrade c-ares to 1.34.7-1 or later.","affected":[{"fixed":"1.34.7-1","introduced":"0"}],"component":"c-ares","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.34.7-1"],"id":"tcs_01M5NRR19KQ4GH2T01K3MHDWCQ","modified_at":"2026-10-01T03:03:10.894676270Z","published_at":"2026-09-03T19:17:27.420Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-33630","https://security-tracker.debian.org/tracker/CVE-2026-33630"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-33630#Debian:14/c-ares","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-33630"}],"summary":"c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares' query-completion handling. The same flaw — a query's callback being invoked while th"}