CVE-2025-52581

CRITICAL 9.8CVE-2025-52581 · Published 25/08/2025 · updated 17/06/2026

In short

CVE-2025-52581 is a CRITICAL (CVSS 9.8) vulnerability affecting libbiosig (libbiosig project).
Chance of exploitation in the next 30 days (EPSS): 0.68%, higher than 52.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
libbiosig libbiosig_project	`= 3.9.0`	No fix yet

Description

An integer overflow vulnerability exists in the GDF parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted GDF file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

References

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Package

Affected versions

Patched versions

libbiosig

libbiosig_project

= 3.9.0

No fix yet

More vulnerabilities in libbiosig

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