Linux · Security advisory · August 24, 2025
DLA-4281-1: iperf3 security update
DLA-4281-1, released August 24, 2025, fixes 1 CVE in iperf3 (version 3.9-1+deb11u3). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0047
40th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| iperf3 | Debian 11.6 (bullseye) | 3.9-1+deb11u3 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-54349 | In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow. | 10.0 | 0.0047 | None reported |
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