CVE-2026-22891
The Biosig Project libbiosig Heap-Based Buffer Overflow Vulnerability
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.
INFO
Published Date :
March 3, 2026, 3:16 p.m.
Last Modified :
March 3, 2026, 4:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update libbiosig to the latest secure version.
- Apply relevant security patches for libbiosig.
- Avoid processing untrusted Intan CLP files.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-22891.
| URL | Resource |
|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2026-2361 | |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2361 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-22891 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-22891
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-22891 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-22891 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Mar. 03, 2026
Action Type Old Value New Value Added Reference https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2361 -
New CVE Received by [email protected]
Mar. 03, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-122 Added Reference https://talosintelligence.com/vulnerability_reports/TALOS-2026-2361