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CVE-2026-25667

nvd nist
Published: Mar 19, 2026Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (2)

Products: Microsoft: .net
Microsoft
1 product
.net
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
.net
From 8.0.0 to 8.0.22
.net
From 9.0.0 to 9.0.11

Related CWEs

CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (3)

Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Patch

Timeline

No history available yet.