CVE-2026-41511

OpenMcdf is a fully .NET / C# library to manipulate Compound File Binary File Format files, also known as Structured Storage. Prior to version 3.1.3, OpenMcdf does not detect cycles in the directory entry red-black tree of a Compound File Binary (CFB) document. A crafted CFB file with a cycle in the LeftSiblingID / RightSiblingID chain causes Storage.EnumerateEntries() and Storage.OpenStream() to loop indefinitely, consuming the calling thread with no possibility of recovery via try/catch. This issue has been patched in version 3.1.3.
Configurations

Configuration 1 (hide)

cpe:2.3:a:openmcdf_project:openmcdf:*:*:*:*:*:*:*:*

History

01 Jun 2026, 16:50

Type Values Removed Values Added
CPE cpe:2.3:a:openmcdf_project:openmcdf:*:*:*:*:*:*:*:*
First Time Openmcdf Project openmcdf
Openmcdf Project
References () https://github.com/openmcdf/openmcdf/commit/24f445a557fc4f46461cf6d02d296cce16c293a0 - () https://github.com/openmcdf/openmcdf/commit/24f445a557fc4f46461cf6d02d296cce16c293a0 - Patch
References () https://github.com/openmcdf/openmcdf/releases/tag/v3.1.3 - () https://github.com/openmcdf/openmcdf/releases/tag/v3.1.3 - Release Notes
References () https://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525 - () https://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525 - Exploit, Vendor Advisory

11 May 2026, 20:25

Type Values Removed Values Added
References () https://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525 - () https://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525 -

08 May 2026, 19:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-08 19:16

Updated : 2026-06-01 16:50


NVD link : CVE-2026-41511

Mitre link : CVE-2026-41511

CVE.ORG link : CVE-2026-41511


JSON object : View

Products Affected

openmcdf_project

  • openmcdf
CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')