What’s Vulnerable › Vulnerabilities

CVE-2023-38403

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-17 · updated 2026-06-17
• Weakness: CWE-190

Description

iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field.

Affected products

• Apple macOS: before 13.6.1; 14.0 — fixed in 13.6.1
• Debian Linux: 10.0
• ES iperf3: before 3.14 — fixed in 3.14
• Fedoraproject Fedora: 37, 38
• Clustered Data ONTAP: 9.0
• NetApp ONTAP Select Deploy administration utility: all versions

How to fix

Upgrade to a fixed version: Apple macOS 13.6.1; ES iperf3 3.14. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Oct/24
• http://seclists.org/fulldisclosure/2023/Oct/26
• https://bugs.debian.org/1040830
• https://cwe.mitre.org/data/definitions/130.html
• https://downloads.es.net/pub/iperf/esnet-secadv-2023-0001.txt.asc
• https://github.com/esnet/iperf/commit/0ef151550d96cc4460f98832df84b4a1e87c65e9
• https://github.com/esnet/iperf/issues/1542
• https://lists.debian.org/debian-lts-announce/2023/07/msg00025.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BV6EBWWF4PEQKROEVXGYSTIT2MGBTLU7/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M25Z5FHTO3XWMGP37JHJ7IIIHSGCLKEV/
• https://security.netapp.com/advisory/ntap-20230818-0016/
• https://support.apple.com/kb/HT213984

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