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.
References
| Link | Resource |
|---|---|
| https://github.com/openmcdf/openmcdf/commit/24f445a557fc4f46461cf6d02d296cce16c293a0 | Patch |
| https://github.com/openmcdf/openmcdf/releases/tag/v3.1.3 | Release Notes |
| https://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525 | Exploit Vendor Advisory |
| https://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525 | Exploit Vendor Advisory |
Configurations
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 - Patch | |
| References | () https://github.com/openmcdf/openmcdf/releases/tag/v3.1.3 - Release Notes | |
| References | () 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 - |
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')
