CVE-2025-53511 json
A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch…
published 2025-08-25 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-25686
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- biosig Debian 14 3.9.5-1
debian advisories DEBIAN-CVE-2025-53511
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 14 mo ago
Exploit prediction
0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2025-2237 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- The Biosig Project libbiosig
Classification
- Weakness
-
- CWE-122 Heap-based Buffer Overflow
References
-
talosintelligence.com
/vulnerability_reports/TALOS-2025-2237
exploit, third-party-advisory
- talosintelligence.com /vulnerability_reports/TALOS-2025-2237
Sources
- CVE List CVE-2025-53511
- NVD CVE-2025-53511
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