Product · esnet

iperf3

3 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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Critical 9.2

CVE-2026-101283

iperf3 3.20–3.21 (esnet/iperf) has a pre-auth heap buffer overflow in decrypt_rsa_message(): a 256-byte RSA buffer is B…

esnet iperf3 iperf3 iperf3 Debian Ubuntu

Sep 30, 2026
Critical 9.2

CVE-2026-101276

iperf3 3.21 (esnet/iperf) contains a remote, unauthenticated heap use-after-free: the server's per-test watchdog server…

esnet iperf3 iperf3 iperf3 Debian Ubuntu Azure Linux

Sep 30, 2026