HTTP Request Smuggling Affecting dotnet6 package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.37% (59th percentile)

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  • Snyk IDSNYK-UBUNTU2204-DOTNET6-13550962
  • published25 Nov 2025
  • disclosed14 Oct 2025

Introduced: 14 Oct 2025

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

How to fix?

There is no fixed version for Ubuntu:22.04 dotnet6.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet6 package and not the dotnet6 package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 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