{"id":"CVE-2025-54486","aliases":["DEBIAN-CVE-2025-54486","EUVD-2025-25677","GHSA-5vjv-cqm3-g9m6","UBUNTU-CVE-2025-54486"],"status":"published","title":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The...","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:\r\n\r\n                else if (tag==11)    //0x0B\r\n                {\r\n                    // Fs\r\n                    if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);\r\n                    double  fval;\r\n                    curPos += ifread(buf,1,len,hdr);","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":"2026-11-12","score":0.00682,"percentile":0.52979,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121"],"published":"2025-08-25T13:53:45Z","modified":"2026-10-17T12:58:37Z","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-2025-2234","tags":["Exploit","Third Party Advisory","evidence","report"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2234","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54486"},{"url":"https://github.com/advisories/GHSA-5vjv-cqm3-g9m6"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-54486","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-54486","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-54486","tags":["report"]},{"url":"https://sourceforge.net/p/biosig/mailman/message/59224259/","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-54486","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:\r\n\r\n                else if (tag==11)    //0x0B\r\n                {\r\n                    // Fs\r\n                    if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);\r\n                    double  fval;\r\n                    curPos += ifread(buf,1,len,hdr);","status":"published","published":"2025-08-25T13:53:45.946Z","modified":"2025-11-03T18:13:27.757Z","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":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-25677","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:\r\n\r\n                else if (tag==11)    //0x0B\r\n                {\r\n                    // Fs\r\n                    if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);\r\n                    double  fval;\r\n                    curPos += ifread(buf,1,len,hdr);","status":"published","published":"2025-08-25T13:53:45Z","modified":"2025-11-03T18:13:27Z","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":"2026-11-02T19:49:34.635725Z"}],"ghsa":[{"id":"GHSA-5vjv-cqm3-g9m6","title":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The...","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:\n\n                else if (tag==11)    //0x0B\n                {\n                    // Fs\n                    if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);\n                    double  fval;\n                    curPos += ifread(buf,1,len,hdr);","status":"published","published":"2025-08-25T15:32:01Z","modified":"2025-11-03T21:35:28Z","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"],"updated_at":"2026-11-02T15:04:25.4654Z"}],"nvd":[{"id":"CVE-2025-54486","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:\r\n\r\n                else if (tag==11)    //0x0B\r\n                {\r\n                    // Fs\r\n                    if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);\r\n                    double  fval;\r\n                    curPos += ifread(buf,1,len,hdr);","status":"published","published":"2025-08-25T14:15:34.667Z","modified":"2026-06-17T09:40:11.487Z","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"],"updated_at":"2026-11-02T14:11:25.826804Z"}],"osv":[{"id":"CVE-2025-54486","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:\r\n\r\n                else if (tag==11)    //0x0B\r\n                {\r\n                    // Fs\r\n                    if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);\r\n                    double  fval;\r\n                    curPos += ifread(buf,1,len,hdr);","status":"published","published":"2025-08-25T14:15:34.667Z","modified":"2026-04-10T05:29:35.748905Z","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":"2026-11-02T15:44:50.863921Z"},{"id":"DEBIAN-CVE-2025-54486","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:\r \r                 else if (tag==11)    //0x0B\r                 {\r                     // Fs\r                     if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);\r                     double  fval;\r                     curPos += ifread(buf,1,len,hdr);","status":"published","published":"2025-08-25T14:15:34.667Z","modified":"2026-09-01T20:05:54.55339353Z","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":"2026-11-02T15:45:47.378563Z"},{"id":"UBUNTU-CVE-2025-54486","description":"A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:                 else if (tag==11)    //0x0B                 {                     // Fs                     if (len\u003e6) fprintf(stderr,\"Warning MFER tag11 incorrect length %i\u003e6\\n\",len);                     double  fval;                     curPos += ifread(buf,1,len,hdr);","status":"published","published":"2025-08-25T14:15:00Z","modified":"2026-10-17T12:58:37.771594518Z","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":"2026-11-02T16:55:50.817402Z"}]}}