CVE Vulnerabilities

CVE-2025-54351

Unprotected Alternate Channel

Published: Aug 03, 2025 | Modified: Oct 17, 2025
CVSS 3.x
10
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
8.9 IMPORTANT
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Ubuntu
MEDIUM

In iperf before 3.19.1, net.c has a buffer overflow when –skip-rx-copy is used (for MSG_TRUNC in recv).

Weakness

The product protects a primary channel, but it does not use the same level of protection for an alternate channel.

Affected Software

Name Vendor Start Version End Version
Iperf3 Es 3.19 (including) 3.19 (including)

Potential Mitigations

References