What is GHSA-pwcx-5qh6-2pxc?

GHSA-pwcx-5qh6-2pxc is a security advisory published by GitHub Security Advisories with Critical severity. iperf3 3.20–3.21 (esnet/iperf) has a pre-auth heap buffer overflow in decrypt_rsa_message(): a...

Which CVE IDs does GHSA-pwcx-5qh6-2pxc cover?

GHSA-pwcx-5qh6-2pxc covers the following CVE IDs: CVE-2026-101283. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-pwcx-5qh6-2pxcCritical

iperf3 3.20–3.21 (esnet/iperf) has a pre-auth heap buffer overflow in decrypt_rsa_message(): a...

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-101283 →

📋 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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-101283
https://newreleases.io/project/github/esnet/iperf/release/3.22
https://github.com/advisories/GHSA-pwcx-5qh6-2pxc