Buffer Overflow Vulnerability in Biosig Project's Libbiosig
CVE-2025-53853

9.8CRITICAL

Key Information:

Vendor

The BiOSig Project

Status
LibbiOSig
Vendor
CVE Published:
25 August 2025

What is CVE-2025-53853?

A heap-based buffer overflow vulnerability exists in the ISHNE parsing functionality of the Biosig Project's libbiosig. When processing a specifically crafted ISHNE ECG annotations file, this vulnerability allows the potential execution of arbitrary code. An attacker could exploit this flaw by providing malicious files to target systems, thereby compromising their integrity and security.

Affected Version(s)

libbiosig 3.9.0

libbiosig Master Branch (35a819fa)

References

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

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Mark Bereza and Lilith >_> of Cisco Talos.
.
CVE-2025-53853 : Buffer Overflow Vulnerability in Biosig Project's Libbiosig