biosig: A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3...
CVE-2025-53557 is fixed in biosig on 1 platform by DEBIAN-CVE-2025-53557 (version 3.9.5-1), released August 25, 2025. It is not reported as exploited. Patch Radar priority: Urgent.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| biosig · Debian 14 | 3.9.5-1 | DEBIAN-CVE-2025-53557 | Aug 25, 2025 |
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