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CVE-2025-66048

Published: Dec 11, 2025Updated: Dec 17, 2025 Sources: CVE List NVDCWE-121
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.5%
Top 62.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 133

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-121CWE-787

Affected Products

libbiosiglibbiosig project
Library
OSS Libraries / generic-library
libbiosigThe Biosig Project
Library
OSS Libraries / generic-library
libbiosig projectoss-projectOSS Librariesaka libbiosig
the biosig projectoss-projectOSS Librariesaka libbiosig

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
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References

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296
talosintelligence.com

Timeline

Published
Dec 11, 2025
Last Updated
Dec 17, 2025

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