| Name | CVE-2025-66043 |
| Description | Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 3 |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| biosig (PTS) | bullseye | 2.1.2-4 | vulnerable |
| bookworm | 2.5.0-1 | vulnerable |
| forky, sid, trixie | 3.9.0-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| biosig | source | (unstable) | (unfixed) | | | |
Notes
[trixie] - biosig <no-dsa> (Minor issue)
[bookworm] - biosig <no-dsa> (Minor issue)
[bullseye] - biosig <postponed> (Minor issue)
https://sourceforge.net/p/biosig/mailman/message/59271419/
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296
https://sourceforge.net/p/biosig/code/ci/1d9af2b1747f8fd1a632c71bc78925c38359b315/