VULNERABILITY INTELLIGENCE

CVE-2026-25667

CVSS score7.5 HIGH
EPSS probability3.12%
CISA KEVNot currently listed
Published2026-03-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-400

Primary references