{"id":"BIT-dotnet-2026-25667","details":"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.","aliases":["BIT-dotnet-sdk-2026-25667","CVE-2026-25667"],"modified":"2026-04-23T09:15:13.836815Z","published":"2026-04-16T23:38:58.356Z","database_specific":{"cpes":["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"],"severity":"High"},"references":[{"type":"WEB","url":"https://github.com/IsaJafarov/Kestrel-DoS"},{"type":"WEB","url":"https://github.com/dotnet/aspnetcore/commit/96ccc40a0e095424b19506e8268b9b1a3e23d6a7#diff-667d5b3693f93a0f706ab211428998b210862f9b885d917104d2013118312626"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25667"},{"type":"WEB","url":"https://github.com/IsaJafarov/Q3Fuzz"}],"affected":[{"package":{"name":"dotnet","ecosystem":"Bitnami","purl":"pkg:bitnami/dotnet"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.0.22"},{"introduced":"9.0.0"},{"fixed":"9.0.11"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/dotnet/BIT-dotnet-2026-25667.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.7.5"}