{"schema_version":1,"title":"ESnet Iperf3 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in ESnet Iperf3: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-101283, was published on 30 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before.","url":"https://junglewise.ai/threats/technologies/esnet-iperf3","json_url":"https://junglewise.ai/threats/technologies/esnet-iperf3.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/esnet-iperf3","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":1,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-101283","epss":0.0028,"slug":"cve-2026-101283-iperf3-3-20-3-21-esnet-iperf-has-a-pre-auth-heap-buffer-overflow","title":"iperf3 heap buffer overflow in RSA decryption","severity":"info","exploited":false,"published_at":"2026-09-30T22:16:33.317+00:00","url":"https://junglewise.ai/threats/cve-2026-101283-iperf3-3-20-3-21-esnet-iperf-has-a-pre-auth-heap-buffer-overflow"},{"cve":"CVE-2026-101276","slug":"cve-2026-101276-iperf3-3-21-esnet-iperf-contains-a-remote-unauthenticated-heap","title":"iperf3 heap use-after-free in server watchdog timer","severity":"info","exploited":false,"published_at":"2026-09-30T21:16:54.913+00:00","url":"https://junglewise.ai/threats/cve-2026-101276-iperf3-3-21-esnet-iperf-contains-a-remote-unauthenticated-heap"},{"cve":"CVE-2026-102253","cvss":7.5,"slug":"cve-2026-102253-iperf3-versions-prior-to-3-22-contains-a-denial-of-service","title":"iperf3 denial of service in UDP receive worker","severity":"high","exploited":false,"published_at":"2026-09-29T21:17:13.64+00:00","url":"https://junglewise.ai/threats/cve-2026-102253-iperf3-versions-prior-to-3-22-contains-a-denial-of-service"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"ESnet Iperf3","slug":"esnet-iperf3","vendor":{"hub":true,"name":"ESnet","slug":"esnet","url":"https://junglewise.ai/threats/vendors/esnet"},"aliases":[],"category":"network-testing","repo_url":"https://github.com/esnet/iperf","description":"Network performance measurement tool that measures maximum TCP and UDP bandwidth between two systems.","url":"https://junglewise.ai/threats/technologies/esnet-iperf3"},"most_severe":[{"cve":"CVE-2026-102253","cvss":7.5,"slug":"cve-2026-102253-iperf3-versions-prior-to-3-22-contains-a-denial-of-service","title":"iperf3 denial of service in UDP receive worker","severity":"high","exploited":false,"published_at":"2026-09-29T21:17:13.64+00:00","url":"https://junglewise.ai/threats/cve-2026-102253-iperf3-versions-prior-to-3-22-contains-a-denial-of-service"},{"cve":"CVE-2026-101283","epss":0.0028,"slug":"cve-2026-101283-iperf3-3-20-3-21-esnet-iperf-has-a-pre-auth-heap-buffer-overflow","title":"iperf3 heap buffer overflow in RSA decryption","severity":"info","exploited":false,"published_at":"2026-09-30T22:16:33.317+00:00","url":"https://junglewise.ai/threats/cve-2026-101283-iperf3-3-20-3-21-esnet-iperf-has-a-pre-auth-heap-buffer-overflow"},{"cve":"CVE-2026-101276","slug":"cve-2026-101276-iperf3-3-21-esnet-iperf-contains-a-remote-unauthenticated-heap","title":"iperf3 heap use-after-free in server watchdog timer","severity":"info","exploited":false,"published_at":"2026-09-30T21:16:54.913+00:00","url":"https://junglewise.ai/threats/cve-2026-101276-iperf3-3-21-esnet-iperf-contains-a-remote-unauthenticated-heap"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}