CVE-2025-54490 — Stack-based Buffer Overflow in Project Libbiosig

CWE-121 — Stack-based Buffer Overflow5 documents5 sources
Severity
9.8CRITICALNVD
EPSS
0.3%
top 46.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Libbiosig Project LibbiosigTHE Biosig Project Libbiosig
Timeline
PublishedAug 25

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 9090 of biosig.c on the current master branch (35a819fa), when the Tag is 64: else if (tag==64) //0x40 { // preamble char tmp[256]; // [1] curPos += ifread(tmp,1,len,hdr)…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5the_biosig_project/libbiosig3.9.0, Master Branch (35a819fa)+1

🔴Vulnerability Details

3
OSV
CVE-2025-54490: A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3↗2025-08-25
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GHSA
GHSA-fq33-769w-5p63: A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3↗2025-08-25
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CVEList
CVE-2025-54490: A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3↗2025-08-25
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📋Vendor Advisories

1
Debian
CVE-2025-54490: biosig - A stack-based buffer overflow vulnerability exists in the MFER parsing functiona...↗2025
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CVE-2025-54490 — Stack-based Buffer Overflow | cvebase