Buffer overflow in Libbiosig Project
CVE-2026-22891
A heap-based buffer overflow vulnerability exists in the Intan CLP parsing functionality of The Biosig Project libbiosig 3.9.2 and Master Branch (db9a9a63). A specially crafted Intan CLP file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Libbiosig Project — versions 3.9.2
- The Biosig Project Libbiosig — versions 3.9.2, Master Branch (db9a9a63)
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2026-2361 (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-22891?
- CVE-2026-22891 is a critical-severity vulnerability in Libbiosig Project, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-03-03.
- How severe is CVE-2026-22891?
- Critical severity. CVSS v3 base score is 9.8 out of 10.