Improper Handling of Missing Special Element Affecting dotnet8 package, versions <8.0.124-8.0.24-0ubuntu1~24.04.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.04% (14th percentile)

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  • Snyk IDSNYK-UBUNTU2404-DOTNET8-15357052
  • published26 Feb 2026
  • disclosed10 Feb 2026

Introduced: 10 Feb 2026

CVE-2026-21218  (opens in a new tab)
CWE-166  (opens in a new tab)

How to fix?

Upgrade Ubuntu:24.04 dotnet8 to version 8.0.124-8.0.24-0ubuntu1~24.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet8 package and not the dotnet8 package as distributed by Ubuntu. See How to fix? for Ubuntu:24.04 relevant fixed versions and status.

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.

CVSS Base Scores

version 3.1