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CVE-2025-54484

CRITICAL
9.8
CVSS 3.1
Description
A stack-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.This vulnerability manifests on line 8779 of biosig.c on the current master branch (35a819fa), when the Tag is 6: else if (tag==6) // 0x06 "number of sequences" { // NRec if (len>4) fprintf(stderr,"Warning MFER tag6 incorrect length %i>4\n",len); curPos += ifread(buf,1,len,hdr);

Metadata

CVE ID
CVE-2025-54484
State
PUBLISHED
Assigner
talos
Reserved
2025-07-23 14:45 UTC
Published
2025-08-25 13:53 UTC
Last updated
2025-11-03 18:13 UTC
Primary CWE
CWE-121
CWE-121: Stack-based Buffer Overflow
Vendor / Product
The Biosig Project / libbiosig
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
The Biosig Project libbiosig — 3.9.0, Master Branch (35a819fa)
Weakness (CWE)
CWESourceDescription
CWE-121 cna CWE-121: Stack-based Buffer Overflow
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References (1)
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