CVE-2025-53557

Public Exploit

Description

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

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory talosintelligence.com
Affected: The Biosig Project libbiosig
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2235 exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2025-53557?
CVE-2025-53557 has been scored as a critical severity vulnerability.
How to fix CVE-2025-53557?
To fix CVE-2025-53557, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-53557 being actively exploited in the wild?
It is possible that CVE-2025-53557 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-53557?
CVE-2025-53557 affects The Biosig Project libbiosig.
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