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Description

A heap-based buffer overflow vulnerability exists in the Nicolet WFT parsing functionality of The Biosig Project libbiosig 3.9.2 and Master Branch (db9a9a63). A specially crafted .wft file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

PUBLISHED Reserved 2026-01-28 | Published 2026-03-03 | Updated 2026-03-03 | Assigner talos




HIGH: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

3.9.2
affected

Master Branch (db9a9a63)
affected

Credits

Discovered by Mark Bereza and Lilith >_> of Cisco Talos.

References

www.talosintelligence.com/...ability_reports/TALOS-2026-2362

talosintelligence.com/vulnerability_reports/TALOS-2026-2362

cve.org (CVE-2026-20777)

nvd.nist.gov (CVE-2026-20777)

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