CVE-2023-21538: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 2.8% chance of exploitation in the next 30 days.

.NET Denial of Service Vulnerability

Affected products

• Fedoraproject Fedora: version 36 only; version 37 only
• Microsoft .net: version 6.0.0 only
• Microsoft PowerShell: version 7.2 only

Published 2023-01-10. Last modified 2026-06-17.