Red Hat Security Advisory: .NET 9.0 security update

CVE-2026-26171 — dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-32178 — dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress parsing flaw CVE-2026-32203 — dotnet: .NET: Denial of Service via stack overflow CVE-2026-33116 — dotnet: .NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform