CVE-2025-53557CRITICAL 9.8EPSS p47.9%

CVE-2025-53557CVE-2025-53557

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.69% probability of exploitation · percentile 47.9% · 2026-06-18T12:00:27Z
Published2025-08-25
Last modified2025-11-03

Underlying weaknesses· 1

CWE-122

References

  1. https://talosintelligence.com/vulnerability_reports/TALOS-2025-2235
  2. https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2235

1

TypeTargetConfidenceTier
WeaknessHeap-based Buffer Overflowcwe-1220%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.