VDB

CVE-2026-20777

CVE-2026-20777 PUBLISHED CVSS 8.100000381469727 HIGH

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.

EPSS 0.51% · 42.6th percentile

Risk Scores

CVSS 3.1
8.100000381469727
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.51%
42.6th percentile

Affected Products

VendorProductVersions
The Biosig Projectlibbiosig3.9.2, 3.9.2, Master Branch (db9a9a63)
libbiosig_projectlibbiosig3.9.2, 3.9.2, 3.9.2

Timeline

  • Jan 28, 2026 CVE ID Reserved
  • Mar 3, 2026 CVE Published
  • Mar 3, 2026 CVE Updated
  • Mar 3, 2026 PoC Published
  • Mar 3, 2026 PoC Published
  • Mar 3, 2026 PoC Published
  • Mar 4, 2026 EPSS Score
  • Mar 5, 2026 PoC Published
  • Mar 6, 2026 EPSS Score
  • Mar 7, 2026 EPSS Score
  • Mar 9, 2026 PoC Published
  • Mar 9, 2026 EPSS Score
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