{"id":"CVE-2025-66044","aliases":["DEBIAN-CVE-2025-66044","EUVD-2025-202763","GHSA-hh9q-f437-jrxh","UBUNTU-CVE-2025-66044"],"status":"published","title":"Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of...","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 64","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00546,"percentile":0.46037,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121","CWE-787"],"published":"2025-12-11T16:43:57Z","modified":"2026-10-17T12:57:28Z","fixes":[{"ecosystem":"Debian:14","package":"biosig","fixed_in":["3.9.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.0-1","2.5.2-1","2.5.2-2","2.6.0-1","2.6.1-1","3.9.0-1","3.9.5-1"]},{"source":"osv","ecosystem":"Debian:13","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.9.0-1","3.9.5-1"]},{"source":"osv","ecosystem":"Debian:14","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.5-1"}]}],"versions":["3.9.0-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-4","2.1.2-4build1","2.1.2-4build2","2.3.3-1","2.3.3-1build1","2.3.3-1build2","2.3.3-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.0-1build2","2.5.2-1","2.5.2-1build1","2.5.2-2","2.6.0-1","2.6.0-1build1","2.6.0-1ubuntu1","2.6.0-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.1-1build3","3.9.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.9.0-1build3","3.9.5-1","3.9.5-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"biosig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.9.0-1","3.9.0-1build1","3.9.0-1build2","3.9.0-1build3","3.9.0-1ubuntu0.1~esm1"]}],"products":[{"vendor":"libbiosig_project","product":"libbiosig"},{"vendor":"the biosig project","product":"libbiosig"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296","tags":["exploit","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66044"},{"url":"https://github.com/advisories/GHSA-hh9q-f437-jrxh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-66044","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-66044","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-66044","tags":["report"]},{"url":"https://sourceforge.net/p/biosig/mailman/message/59271419/","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-66044","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 64","status":"published","published":"2025-12-11T16:43:57.561Z","modified":"2025-12-11T19:36:44.685Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:32:53.475217Z"}],"euvd":[{"id":"EUVD-2025-202763","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 64","status":"published","published":"2025-12-11T16:43:57Z","modified":"2025-12-11T19:36:44Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:06.185947Z"}],"ghsa":[{"id":"GHSA-hh9q-f437-jrxh","title":"Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of...","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 64","status":"published","published":"2025-12-11T18:30:45Z","modified":"2025-12-17T21:30:42Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T15:05:15.153655Z"}],"nvd":[{"id":"CVE-2025-66044","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 64","status":"published","published":"2025-12-11T17:15:58.397Z","modified":"2026-10-07T20:10:01.97Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:11:49.861863Z"}],"osv":[{"id":"CVE-2025-66044","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 64","status":"published","published":"2025-12-11T17:15:58.397Z","modified":"2026-03-14T12:44:29.114347Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:52.202386Z"},{"id":"DEBIAN-CVE-2025-66044","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 64","status":"published","published":"2025-12-11T17:15:58.397Z","modified":"2026-10-08T09:47:38.590106433Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:47.697959Z"},{"id":"UBUNTU-CVE-2025-66044","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 64","status":"published","published":"2025-12-11T17:15:00Z","modified":"2026-10-17T12:57:28.025722889Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:55:52.345622Z"}]}}