Critical severity · published Mar 3, 2026
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)
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libbiosig · The Biosig Project
3.9.2; Master Branch (db9a9a63) · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22891
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22891
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2026-2361
Exploit
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2361
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