Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Biosig Project | libbiosig | 3.9.2, Master Branch (db9a9a63) | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | biosig | 3.9.5-1 | — |
| Debian 13 | biosig | No fix yet | — |
| Debian 12 | biosig | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | biosig | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 26.04 LTS | biosig | 3.9.0-1ubuntu0.1~esm1 | USN-8713-1 |
| Ubuntu Pro 24.04 LTS | biosig | 2.6.0-1ubuntu1+esm1 | USN-8713-1 |
| Ubuntu Pro 22.04 LTS | biosig | 2.3.3-1ubuntu0.1~esm1 | USN-8713-1 |
Advisories 1
- USN-8713-1 biosig vulnerabilities Ubuntu Security Notices (USN) · Sep 3, 2026