CVE-2025-53557 — Heap-based Buffer Overflow in Biosig Project Libbiosig
Severity
9.8CRITICALNVD
EPSS
0.3%
top 46.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 25
Latest updateAug 27
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.
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
🔴Vulnerability Details
3OSV▶
CVE-2025-53557: A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3↗2025-08-25
CVEList▶
CVE-2025-53557: A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3↗2025-08-25
GHSA▶
GHSA-57h3-858x-52wq: A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3↗2025-08-25
📋Vendor Advisories
1Debian▶
CVE-2025-53557: biosig - A heap-based buffer overflow vulnerability exists in the MFER parsing functional...↗2025