cvedb.io
CVE-2021-3404
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2021-03-04T22:15:14.657 · Last modified 2026-06-17T04:05:01.970

Summary

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

Affected products

ytnef_project — ytnef

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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.