Topic

iperf3

News, analysis and practical guidance on iperf3.

1 articleUpdated 1 Oct 2026

ThreatsCloud & SaaSBreaking
ESnet iperf3 Server Watchdog Race Condition Enables Remote Heap Use-After-Free Exploitation (CVE-2026-101276)
A critical heap use-after-free vulnerability in ESnet iperf3 v3.21 allows unauthenticated remote attackers to crash network test daemons or execute code.
Priya Raman1 Oct 202611 min read