Disclosure summary
Libxml2: unbounded relaxng include recursion leading to stack overflow
Source-reported weakness categories
CWE-674
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-Jan
Open original source · Updated Sep 24, 2026
Libxml2: unbounded relaxng include recursion leading to stack overflow
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 3.7
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 libxml2 2.10.4-9 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libxml2 2.11.5-8 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libxml2 2.10.4-10 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libxml2 2.11.5-9 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libxml2 2.10.4-11 | (MSRC status code 3) |
| Microsoft update guide | azl3 libxml2 2.11.5-7 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libxml2 2.10.4-11 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libxml2 2.11.5-10 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libxml2 2.10.4-11 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 2.11.5-10 · product IDs 20960-17084, 21495-17084
- Vendor guidance · product IDs 20960-17084, 21495-17084
- Release Notes · product IDs 20940-21692
- Vendor guidance · product IDs 20940-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-01-18T20:01:29-05:00
MODIFIED 2026-09-24T21:52:13-04:00
INGESTED 2026-10-08T12:45:21-04:00