Improper Handling of Missing Special Element Affecting dotnet-10 package, versions <10.0.103-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.01% (63rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-DOTNET10-15337363
  • published24 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 Chainguard dotnet-10 to version 10.0.103-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet-10 package and not the dotnet-10 package as distributed by Chainguard. See How to fix? for Chainguard 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