System.Security.Cryptography.Cose Known Vulnerabilities & Fixes
System.Security.Cryptography.Cose has 2 known security vulnerabilities in NuGet (.NET). Upgrade to version 10.0.3 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 10.0.3
Upgrading to 10.0.3 or later resolves all 2 known vulnerabilities in System.Security.Cryptography.Cose. Run: dotnet add package System.Security.Cryptography.Cose --version 10.0.3
Is System.Security.Cryptography.Cose in your project?
Check if you're affected and upgrade to 10.0.3 to stay secure.
Security Summary
- 5 affected version ranges have been identified across these 2 advisories.
- 100% of known issues have a published fixed version.
- Remediation: dotnet add package System.Security.Cryptography.Cose
Vulnerabilities
2 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Oct 8, 2024, most recently Feb 10, 2026 (490 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2024-43483 Microsoft Security Advisory CVE-2024-43483 | .NET Denial of Service Vulnerability | HIGH | 8.0.0 | 9.0.0-rc.2.24473.5, 8.0.1 |
| CVE-2026-21218 Microsoft Security Advisory CVE-2026-21218 | .NET Security Feature Bypass Vulnerability | HIGH | 8.0.0, 8.0.1, 9.0.0, 9.0.1 (+14 more) | 8.0.2, 9.0.13, 10.0.3 |
About This Data
Vulnerability data for System.Security.Cryptography.Cose is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related NuGet (.NET) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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