Description
An integer underflow 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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Biosig Project | libbiosig | 2.5.0, Master Branch (ab0ee111) | — |
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 | 2.6.0-1 | — |
| Debian 13 | biosig | 2.6.0-1 | — |
| Debian 12 | biosig | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | biosig | No fix yet | — |
| Ubuntu Pro 22.04 LTS | biosig | No fix yet | — |