System.text.json CVEs and Security Vulnerabilities

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CVE-2026-120796

.NET Denial of Service Vulnerability

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

CVSS 3.1 · 5.3 Medium EPSS 1.2% KEV · Not listed

Vendors

Microsoft

Products

.net 11.0 Installed On Linux .net 11.0 Installed On Mac Os .net 11.0 Installed On Windows and 1 more

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