CVE-2026-101276
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-416 |
| Vendor | esnet |
| Product | iperf3 |
| Published | Sep 30, 2026 |
| Last Updated | Sep 30, 2026 |
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Affected Versions
esnet / iperf3
3.21
References
Credits
Anthropic 🔍 Ada Logics