CVE-2025-48005: The Biosig Project libbiosig · Heap-based Buffer Overflow
Affects The Biosig Project libbiosigSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| The Biosig Project libbiosig | Affected
| Fixed in– |
AI-suggested
1. Immediately audit all systems and applications that utilize libbiosig, especially versions 3.9.0 and the specified Master Branch, to identify exposure to RHS2000 file parsing. 2. Until official patches are released, implement strict input validation to reject or quarantine untrusted RHS2000 files before processing. 3. Employ sandboxing or containerization techniques to isolate the parsing process, limiting the potential impact of exploitation. 4. Restrict network and user access to systems that process RHS2000 files to trusted sources only, reducing the risk of malicious file delivery. 5. Monitor logs and network traffic for unusual activity related to RHS2000 file handling or unexpected process behavior. 6. Engage with The Biosig Project and relevant vendors to track patch availability and apply updates promptly once released. 7. Conduct security awareness training for staff handling biosignal data to recognize and report suspicious files. 8. Consider deploying runtime application self-protection (RASP) or endpoint detection and response (EDR) solutions to detect exploitation attempts. 9. Review and enhance backup and incident response plans to prepare for potential compromise scenarios. 10. Collaborate with industry peers and information sharing organizations to stay informed about emerging threats related to this vulnerability.
Description
A heap-based buffer overflow vulnerability exists in the RHS2000 parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted RHS2000 file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.