FKIE_CVE-2026-41511

Vulnerability from fkie_nvd - Published: 2026-05-08 19:16 - Updated: 2026-06-05 18:11
Severity
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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
security-advisories@github.comhttps://github.com/openmcdf/openmcdf/commit/24f445a557fc4f46461cf6d02d296cce16c293a0Patch
security-advisories@github.comhttps://github.com/openmcdf/openmcdf/releases/tag/v3.1.3Release Notes
security-advisories@github.comhttps://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525Exploit, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/openmcdf/openmcdf/security/advisories/GHSA-jxpf-xq2m-q525Exploit, Vendor Advisory
Impacted products
Vendor Product Version
openmcdf openmcdf *
To clipboard 

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  "id": "CVE-2026-41511",
  "lastModified": "2026-06-05T18:11:10.230",
  "metrics": {
    "cvssMetricV31": [
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          "baseScore": 6.2,
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          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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