Disclosure summary
osslsigncode has a Stack Buffer Overflow via Unbounded Digest Copy During Signature Verification
Source-reported weakness categories
CWE-121
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-Apr
Open original source · Updated Sep 24, 2026
osslsigncode has a Stack Buffer Overflow via Unbounded Digest Copy During Signature Verification
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 osslsigncode 2.7-1 on CBL-Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 osslsigncode 2.7-1 on CBL Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- Release Notes · product IDs 21087-21692
- Vendor guidance · product IDs 21087-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-04-11T21:02:14-04:00
MODIFIED 2026-09-24T22:45:21-04:00
INGESTED 2026-10-08T12:45:03-04:00