cvedb.io
CVE-2026-3463
LOW · CVSS 3.3
EPSS exploitation probability: 0%
Published 2026-03-03T12:16:06.880 · Last modified 2026-06-17T10:43:37.410

Summary

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::binary_writer::append of the file source/detail/binary.hpp of the component Compound Document Parser. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. Patch name: 147. It is suggested to install a patch to address 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.