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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: biosig: CVE-2026-22891 CVE-2026-20777 CVE-2025-64736
Message-ID: <177359104507.3617027.950105041374750140.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0
Date: Sun, 15 Mar 2026 17:10:45 +0100
Delivered-To: submit@bugs.debian.org

Source: biosig
Version: 3.9.0-1
Severity: grave
Tags: security upstream
Justification: user security hole
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerabilities were published for biosig.

CVE-2026-22891[0]:
| 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.


CVE-2026-20777[1]:
| A heap-based buffer overflow vulnerability exists in the Nicolet WFT
| parsing functionality of The Biosig Project libbiosig 3.9.2 and
| Master Branch (db9a9a63). A specially crafted .wft file can lead to
| arbitrary code execution. An attacker can provide a malicious file
| to trigger this vulnerability.


CVE-2025-64736[2]:
| An out-of-bounds read vulnerability exists in the ABF parsing
| functionality of The Biosig Project libbiosig 3.9.2 and Master
| Branch (5462afb0). A specially crafted .abf file can lead to an
| information leak. An attacker can provide a malicious file to
| trigger this vulnerability.


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-22891
    https://www.cve.org/CVERecord?id=CVE-2026-22891
[1] https://security-tracker.debian.org/tracker/CVE-2026-20777
    https://www.cve.org/CVERecord?id=CVE-2026-20777
[2] https://security-tracker.debian.org/tracker/CVE-2025-64736
    https://www.cve.org/CVERecord?id=CVE-2025-64736

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
]