HTTP Request Smuggling Affecting dotnet9 package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-UBUNTU2504-DOTNET9-13550981
  • published15 Oct 2025
  • disclosed14 Oct 2025

Introduced: 14 Oct 2025

NewCVE-2025-55315  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:25.04 dotnet9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet9 package and not the dotnet9 package as distributed by Ubuntu. See How to fix? for Ubuntu:25.04 relevant fixed versions and status.

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

CVSS Base Scores

version 3.1