Integer overflow in Biosig Project libbiosig
Priority MEDIUM 52CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
An integer overflow vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .famos file can lead to an out-of-bounds write which in turn can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01757 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| The Biosig Project | libbiosig | 2.5.0; Master Branch (ab0ee111) | — | No fix listed | CNA |
- libbiosig VendorThe Biosig Project Affected 2.5.0; Master Branch (ab0ee111) Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libbiosig_project:libbiosig:2.5.0:*:*:*:*:*:*:* | 2.5.0 | Vulnerable | The Biosig Project |
| cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* | 40 | Vulnerable | Fedoraproject |
- cpe:2.3:a:libbiosig_project:libbiosig:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·The Biosig Project
- cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* Versions 40 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21812
- 2026-10-03 Alias added: GHSA-v58q-q96x-jmrj
References
More The Biosig Project Libbiosig vulnerabilities
- TI-2025-40573 Stack-based buffer overflow in Biosig Project libbiosig CVSS 3.1CRITICAL 9.8
- TI-2025-40572 Stack-based buffer overflow in Biosig Project libbiosig CVSS 3.1CRITICAL 9.8
- TI-2025-40571 Stack-based buffer overflow in Biosig Project libbiosig CVSS 3.1CRITICAL 9.8
- TI-2025-40570 Stack-based buffer overflow in Biosig Project libbiosig CVSS 3.1CRITICAL 9.8
- TI-2025-40569 Stack-based buffer overflow in Biosig Project libbiosig CVSS 3.1CRITICAL 9.8
- TI-2025-40568 Stack-based buffer overflow in Biosig Project libbiosig CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-21812 · CVE Program
- CVE-2024-21812 · NVD
- FIRST EPSS
- GHSA-v58q-q96x-jmrj · GitHub Advisory Database · CC BY 4.0
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