CVE-2026-101276
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 the…
Published: 2026-09-30 · CVSS: 9.2 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7