High severity8.1NVD Advisory· Published Mar 3, 2026· Updated Jun 17, 2026
CVE-2026-20777
CVE-2026-20777
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.
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Affected products
3- cpe:2.3:a:libbiosig_project:libbiosig:3.9.2:*:*:*:*:*:*:*
<3.9.2, master branch (db9a9a63)+ 1 more
- (no CPE)range: <3.9.2, master branch (db9a9a63)
- (no CPE)range: 3.9.2
Patches
Vulnerability mechanics
References
2- talosintelligence.com/vulnerability_reports/TALOS-2026-2362nvdExploitThird Party Advisory
- www.talosintelligence.com/vulnerability_reports/TALOS-2026-2362nvdExploitThird Party Advisory
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