dotnet/aspnetcore

dotnet/aspnetcore

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asp.netasp.net
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ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2026-25667↗
7.5 HIGH—

ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing.