CVE-2024-43499: .NET Denial of Service Vulnerability

November 12, 2024 (updated April 4, 2025)

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 9.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

The NrbfDecoder component in .NET 9 contains a denial of service vulnerability due to incorrect input validation.

References

github.com/advisories/GHSA-6x36-qxmj-rv4p
github.com/dotnet/runtime
github.com/dotnet/runtime/security/advisories/GHSA-6x36-qxmj-rv4p
msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43499
nvd.nist.gov/vuln/detail/CVE-2024-43499

Code Behaviors & Features

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