CVE-2025-54349
iperf3 - security update
10.0
CRITICAL
CVSS 3.1
EPSS 0.29%
Description
In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.
How to fix CVE-2025-54349
To remediate CVE-2025-54349, upgrade the affected package to a fixed version below.
- Alpine/iperf3—upgrade to 3.19.1-r0 or later
- Debian/iperf3—upgrade to 3.9-1+deb11u3 or later
- —upgrade to 3.9-1+deb11u3 or later
Is CVE-2025-54349 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 3.19.1-r0
- from 0, < 3.9-1+deb11u3
- from 0, < 3.9-1+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |