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CVE-2023-38403

HIGH
7.5
CVSS Score
Published: July 17, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:10 AM UTC
6 products affected across 5 vendorsmacOSDebian LinuxFedora· also runs on 1 platform

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

macOS· Apple
95%
v < 13.6.114.0
Affected range stops below 13.6.1, so it looks safe — our inference, not a vendor statement
Debian Linux· Debiandrupal
95%
10.0
IPERF3· Es
95%
v < 3.14
Affected range stops below 3.14, so it looks safe — our inference, not a vendor statement
linux-linux-kernel (environment)
Fedora· Fedora Projectrpm
95%
3738
Clustered Data ONTAP· NetApp
95%
9.0
ONTAP Select Deploy administration utility· NetApp
95%
All versions

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (13)

Mailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2023/Oct/24
Mailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2023/Oct/26
Third Party Advisory
Source: [email protected]
https://bugs.debian.org/1040830
Third Party Advisory
Source: [email protected]
https://cwe.mitre.org/data/definitions/130.html
Vendor Advisory
Source: [email protected]
https://downloads.es.net/pub/iperf/esnet-secadv-2023-0001.txt.asc
Patch
Source: [email protected]
https://github.com/esnet/iperf/commit/0ef151550d96cc4460f98832df84b4a1e87c65e9
Issue TrackingVendor Advisory
Source: [email protected]
https://github.com/esnet/iperf/issues/1542
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/07/msg00025.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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