HTTP Request Smuggling Affecting dotnet-apphost-pack-9.0 package, versions <0:9.0.10-1.el9_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
66.26% (100th percentile)

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  • Snyk IDSNYK-RHEL9-DOTNETAPPHOSTPACK90-13584093
  • published17 Oct 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 RHEL:9 dotnet-apphost-pack-9.0 to version 0:9.0.10-1.el9_6 or higher.
This issue was patched in RHSA-2025:18151.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet-apphost-pack-9.0 package and not the dotnet-apphost-pack-9.0 package as distributed by RHEL. See How to fix? for RHEL: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