HIGH 8.9 Microsoft
CVE-2025-54351
In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).
Microsoft Security Update 2025-Aug: In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).
Affected Products
- cbl2 iperf3 3.18-1 on CBL Mariner 2.0
- azl3 iperf3 3.17.1-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54351
- https://nvd.nist.gov/vuln/detail/CVE-2025-54351
This high severity vulnerability with a CVSS score of 8.9 was published on 2025-08-12 via Microsoft. Affected: cbl2 iperf3 3.18-1 on CBL Mariner 2.0, azl3 iperf3 3.17.1-2 on Azure Linux 3.0.
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