Stack-Based Buffer Overflow in Biosig Project's Library
CVE-2025-46411

8.1HIGH

Key Information:

Vendor

The BiOSig Project

Status
LibbiOSig
Vendor
CVE Published:
25 August 2025

What is CVE-2025-46411?

A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of libbiosig, specifically in version 3.9.0 and the Master Branch (35a819fa). By crafting a malicious MFER file, an attacker can exploit this vulnerability to execute arbitrary code on the target system. This poses a significant risk as attackers can leverage this flaw to gain control over affected systems, highlighting the need for immediate patches and updates.

Affected Version(s)

libbiosig 3.9.0

libbiosig Master Branch (35a819fa)

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Mark Bereza and Lilith >_> of Cisco Talos.
.
CVE-2025-46411 : Stack-Based Buffer Overflow in Biosig Project's Library