DEBIAN-CVE-2026-20777

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Source
https://security-tracker.debian.org/tracker/CVE-2026-20777
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-20777.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-20777
Upstream
Published
2026-03-03T15:16:18.187Z
Modified
2026-05-01T06:00:22.876241Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / biosig

Package

Name
biosig
Purl
pkg:deb/debian/biosig?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.1.2-4
2.3.3-1
2.4.0-1
2.4.0-2
2.5.0-1
2.5.2-1
2.5.2-2
2.6.0-1
2.6.1-1
3.*
3.9.0-1
3.9.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-20777.json"

Debian:12 / biosig

Package

Name
biosig
Purl
pkg:deb/debian/biosig?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.5.0-1
2.5.2-1
2.5.2-2
2.6.0-1
2.6.1-1
3.*
3.9.0-1
3.9.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-20777.json"

Debian:13 / biosig

Package

Name
biosig
Purl
pkg:deb/debian/biosig?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.9.0-1
3.9.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-20777.json"

Debian:14 / biosig

Package

Name
biosig
Purl
pkg:deb/debian/biosig?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.9.5-1

Affected versions

3.*
3.9.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-20777.json"