CVEvulnerability

CVE-2026-101283

9.2 CRITICAL Published 2026-09-30 Modified 2026-10-01 Official page ↗
Status
Awaiting Analysis
Published
2026-09-30
Last modified
2026-10-01
Assigner
98a01053-8a31-4f6d-9aa9-252be161adc6
CVSS 4.0 (98a01053-8a31-4f6d-9aa9-252be161adc6)
9.2 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-122

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

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References