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.

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Fixes

Solution

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Workaround

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History

Tue, 03 Mar 2026 16:30:00 +0000


Tue, 03 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 03 Mar 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2026-03-03T15:17:02.898Z

Reserved: 2026-01-28T12:55:18.367Z

Link: CVE-2026-20777

cve-icon Vulnrichment

Updated: 2026-03-03T15:17:02.898Z

cve-icon NVD

Status : Received

Published: 2026-03-03T15:16:18.187

Modified: 2026-03-03T16:16:20.180

Link: CVE-2026-20777

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses