Disclosure summary
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension
Source-reported weakness categories
CWE-190
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
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.3
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 xorg-x11-server 1.20.10-16 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 wayland 1.22.0-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 xorg-x11-server 1.20.10-16 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 1.20.10-16 · product IDs 20351-17086, 20351-21692
- Vendor guidance · product IDs 20351-17086, 20351-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-08-05T20:00:00-04:00
MODIFIED 2026-08-12T20:13:03-04:00
INGESTED 2026-10-08T12:50:04-04:00