{"id":"CVE-2026-101276","revision":"c7ff973b3089471fb4d916f5c06fef2e","records":[{"revision":"c7ff973b3089471fb4d916f5c06fef2e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-101276","aliases":[],"title":"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 ipe…","description":"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.","state":0,"publishedAt":"2026-09-30T21:11:52.046+00:00","modifiedAt":"2026-10-01T15:51:00.728+00:00","affected":[{"ecosystem":"Vendor product","name":"iperf3","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"esnet\",\n                    \"product\": \"iperf3\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"3.21\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.2,"severity":"CRITICAL"}],"references":["https://newreleases.io/project/github/esnet/iperf/release/3.22"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101276","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-101276","identifiers":["CVE-2026-101276"]},"retained":false,"historicalAffected":[]}],"coverage":[]}