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CVE PROGRAM SOURCE RECORD9.2 Critical

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 ciphertext length (guard

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Status
Published
Published
Updated
Assigning organization
Anthropic

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

esnet iperf3

Default version status: unaffected

  • 3.20affected
  • 3.21affected

References