Disclosure summary
ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.
Source-reported weakness categories
CWE-158
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-Oct
Open original source · Updated Oct 07, 2025
ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 4.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 openssh 9.8p1-4 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 openssh 9.8p1-5 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 openssh 8.9p1-8 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 openssh 8.9p1-9 on CBL Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 9.8p1-5 · product IDs 19453-17084, 20632-17084
- Vendor guidance · product IDs 19453-17084, 20632-17084
- CBL-Mariner Releases · build 8.9p1-9 · product IDs 20199-17086, 20608-17086
- Vendor guidance · product IDs 20199-17086, 20608-17086
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-10-07T21:02:00-04:00
MODIFIED 2025-10-07T21:02:00-04:00
INGESTED 2026-10-08T12:45:38-04:00