HTTP Request Smuggling Affecting dotnet-host package, versions <0:9.0.10-1.el9_6


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.06% (20th percentile)

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  • Snyk IDSNYK-ALMALINUX9-DOTNETHOST-13829815
  • 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:9 dotnet-host to version 0:9.0.10-1.el9_6 or higher.
This issue was patched in ALSA-2025:18151.

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:9 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