Disclosure summary
Nbdkit: nbdkit-server: off-by-one error when processing block status may lead to a denial of service
Source-reported weakness categories
CWE-193
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) · 2025-Jun
Open original source · Updated Aug 12, 2026
Nbdkit: nbdkit-server: off-by-one error when processing block status may lead to a denial of service
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 4.3
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cm2 nbdkit 1.35.3-4 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 nbdkit 1.35.3-7 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 nbdkit 1.35.3-4 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 nbdkit 1.35.3-4 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 1.35.3-4 · product IDs 19563-16823, 20266-17086, 20266-21692
- Vendor guidance · product IDs 19563-16823, 20266-17086, 20266-21692
- CBL-Mariner Releases · build 1.35.3-7 · product IDs 19610-17084
- Vendor guidance · product IDs 19610-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-07-10T20:00:00-04:00
MODIFIED 2026-08-12T19:48:16-04:00
INGESTED 2026-10-08T12:50:04-04:00