CVE-2026-22891 | A heap-based buffer overflow vulnerability exists in the Int… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-22891
State: PUBLISHED
Assigner: talos
Reserved: 2026-01-28 12:55 UTC
Published: 2026-03-03 14:32 UTC
Last updated: 2026-03-03 15:17 UTC
Primary CWE: CWE-122
CWE-122: Heap-based Buffer Overflow
Vendor / Product: The Biosig Project / libbiosig
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
The Biosig Project	libbiosig	—	3.9.2, Master Branch (db9a9a63)

Weakness (CWE)

CWE	Source	Description
CWE-122	cna	CWE-122: Heap-based Buffer Overflow

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2361 https://talosintelligence.com/vulnerability_reports/TALOS-2026-2361