CVE-2023-38178

dotnet: ASP.NET Kestrel stream flow control leads to Denial of Service

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · August 8, 2023

Updated · November 22, 2025

Description

A vulnerability was found in dotNET in Kestrel component. This issue may allow a malicious client to bypass the QUIC stream limit in both ASP.NET and .NET runtimes in HTTP/3, resulting in a denial of service.

Statement

QUIC support is unavailable in the .NET configuration that Red Hat ships. Hence, none of the Red Hat software are affected.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-400 · Uncontrolled Resource Consumption