Disclosure summary
Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion
Source-reported weakness categories
CWE-789
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Aug
Open original source · Updated Aug 23, 2026
Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.3
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 iperf3 3.17.1-4 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 3.17.1-5 · product IDs 21721-17084
- Vendor guidance · product IDs 21721-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-08-14T15:01:42-04:00
MODIFIED 2026-08-23T10:56:07-04:00
INGESTED 2026-10-08T12:35:42-04:00