Infinite loop Affecting openmcdf package, versions [,3.1.3)
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Test your applications- Snyk IDSNYK-DOTNET-OPENMCDF-16416972
- published4 May 2026
- disclosed22 Apr 2026
- creditUnknown
Introduced: 22 Apr 2026
NewCVE-2026-41511 (opens in a new tab)How to fix?
Upgrade OpenMcdf to version 3.1.3 or higher.
Overview
OpenMcdf is a fully .NET / C# library to manipulate Compound File Binary File Format files, also known as Structured Storage.
Affected versions of this package are vulnerable to Infinite loop through the MoveNext traversal logic in the directory tree enumeration code. An attacker can trigger an infinite or unbounded directory walk by supplying a Compound File Binary document with a cycle in the LeftSiblingID / RightSiblingID chain, causing the enumerator to loop until the process hangs or exhausts resources.