CRITICAL 9.2 NVD

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 BIO_read with the attacker-controlled ciph

iperf3 3.20–3.21 (esnet/iperf) has a pre-auth heap buffer overflow in decrypt_rsa_message(): a 256-byte RSA buffer is BIO_read with the attacker-controlled ciphertext length (guard warns only), so an unauthenticated client overflows the heap via an oversized authtoken; fixed in 3.22

References

https://newreleases.io/project/github/esnet/iperf/release/3.22

Published: 2026-09-30 · Source: NVD · Feed updated: 2026-10-01

This critical severity vulnerability with a CVSS score of 9.2 was published on 2026-09-30 via NVD.

Risk Timeline

CVE Disclosed2026-09-30 · 0 days ago

Remediation Resources

Official Advisory

newreleases.io/project/github/esnet/iperf/release/3.22

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