HTTP Request Smuggling Affecting dotnet-host package, versions <0:9.0.10-1.el8_10


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.06% (19th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX8-DOTNETHOST-13829652
  • published4 Nov 2025
  • disclosed15 Oct 2025

Introduced: 15 Oct 2025

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

How to fix?

Upgrade AlmaLinux:8 dotnet-host to version 0:9.0.10-1.el8_10 or higher.
This issue was patched in ALSA-2025:18150.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet-host package and not the dotnet-host package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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