Heap-based Buffer Overflow Affecting biosig package, versions [,3.9.3)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.19% (41st percentile)

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  • Snyk IDSNYK-PYTHON-BIOSIG-15374124
  • published4 Mar 2026
  • disclosed3 Mar 2026
  • creditMark Bereza, Lilith

Introduced: 3 Mar 2026

CVE-2026-22891  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Biosig to version 3.9.3 or higher.

Overview

Biosig is a BioSig - tools for biomedical signal processing

Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the Intan CLP parsing functionality. An attacker can execute arbitrary code by supplying a specially crafted Intan CLP file.

CVSS Base Scores

version 4.0
version 3.1