CVE-2026-20777CWE-122

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)

High · published March 3, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
44.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00532 · 44.2th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-03-03T14:32Z
EPSS history
Timeline
  • 03 MAR 14:32Z
    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)
    cvelistv5