CVE-2026-25667

Published: Mar 19, 2026 Last Modified: Mar 19, 2026
ExploitDB:
Other exploit source:
Google Dorks:

Description

AI Translation Available

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.

https://github.com/dotnet/aspnetcore/commit/96ccc40a0e09542…
https://github.com/dotnet/aspnetcore/commit/96ccc40a0e095424b19506e8268b9b1a3e2…
https://github.com/IsaJafarov/Kestrel-DoS
https://github.com/IsaJafarov/Kestrel-DoS