What is CVE-2026-41511?

CVE-2026-41511 is a medium-severity vulnerability in Ironfede Openmcdf, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.2/10. Published 2026-05-08.

How severe is CVE-2026-41511?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Ironfede Openmcdf

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…

EPSS: 0.000 (2.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-41511?: CVE-2026-41511 is a medium-severity vulnerability in Ironfede Openmcdf, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.2/10. Published 2026-05-08.
How severe is CVE-2026-41511?: Medium severity. CVSS v3 base score is 6.2 out of 10.