Vulnerability · Published Aug 3, 2025 · Assigned by mitre
CVE-2025-54351
High 8.9
In plain English
A high-severity security flaw in iperf3 from ES. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.9High
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.22 | iperf3 | 3.19.1-r0 | ALPINE-CVE-2025-54351 |
| Alpine:v3.23 | iperf3 | 3.19.1-r0 | ALPINE-CVE-2025-54351 |
| Alpine:v3.24 | iperf3 | 3.19.1-r0 | ALPINE-CVE-2025-54351 |
| Ubuntu:25.10 | iperf3 | no fix listed | UBUNTU-CVE-2025-54351 |
| Ubuntu:26.10 | iperf3 | no fix listed | UBUNTU-CVE-2025-54351 |
Affected products (as reported)
Weakness: CWE-420 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L