CVE-2025-54462
Critical
Description
A heap-based buffer overflow vulnerability exists in the Nex parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted .nex file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
SeverityCritical
CVSS9.8
Exploit probability—
ProductLibbiosig
PublishedAug 25, 2025
First seenAug 25, 2025
Weakness typeCWE-122CWE-122
How to fix
Update
- libbiosig_project libbiosig3.9.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libbiosig_project libbiosig | v < 3.9.1 | 3.9.1 |
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