cvedb.io
CVE-2026-3663
LOW · CVSS 3.3
EPSS exploitation probability: 0%
Published 2026-03-07T15:15:56.020 · Last modified 2026-06-17T10:43:56.383

Summary

A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compound_document_istreambuf::xsgetn of the file source/detail/cryptography/compound_document.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been made public and could be used. The patch is named 147. It is recommended to apply a patch to fix this issue.

Affected products

xlnt-community — xlnt

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.