Insecure Temporary File Affecting dotnet-host package, versions <0:8.0.21-1.el9_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-RHEL9-DOTNETHOST-13629013
  • published18 Oct 2025
  • disclosed15 Oct 2025

Introduced: 15 Oct 2025

NewCVE-2025-55247  (opens in a new tab)
CWE-377  (opens in a new tab)

How to fix?

Upgrade RHEL:9 dotnet-host to version 0:8.0.21-1.el9_4 or higher.
This issue was patched in RHSA-2025:18256.

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 RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

CVSS Base Scores

version 3.1