CVE-2026-101283

esnet / iperf3 PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / product	Versions
esnet / iperf3	affected 3.20; affected 3.21

CWE

CWE-122

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.