{"schema":"threatline.record/2","record":{"id":"CVE-2026-101276","aliases":[],"summary":"iperf3 3.21 (esnet/iperf) contains a remote, unauthenticated heap use-after-free: the server's per-test watchdog server_timer_proc() frees streams without cancelling/joining their worker threads, so a","details":"iperf3 3.21 (esnet/iperf) contains a remote, unauthenticated heap use-after-free: the server's per-test watchdog server_timer_proc() frees streams without cancelling/joining their worker threads, so a blocked worker dereferences a freed iperf_stream; fixed in 3.22.","categories":["Unclassified"],"product":"iperf3","vendor":"esnet","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-101276","source_modified_at":"2026-10-01T15:51:00.728Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"iperf3","vendor":"esnet","versions":[{"status":"affected","version":"3.21"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.2,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00395,"percentile":0.32597,"score_date":"2026-10-23"},"published_at":"2026-09-30T21:11:52.046Z","modified_at":"2026-10-01T15:51:00.728Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-101276","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T15:51:00.728Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-101276","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://newreleases.io/project/github/esnet/iperf/release/3.22","tags":["release-notes"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-01T15:50:45.814450Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-01T15:51:00.728Z","content_hash":"91e80e900a0922d90b66d33b6085420cacc978c219cd740431b5fdfc8144a924"}}