{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-54487","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","state":"PUBLISHED","assignerShortName":"talos","dateReserved":"2025-07-23T14:45:55.835Z","datePublished":"2025-08-25T13:53:46.068Z","dateUpdated":"2025-11-03T18:13:28.729Z"},"containers":{"cna":{"affected":[{"vendor":"The Biosig Project","product":"libbiosig","versions":[{"version":"3.9.0","status":"affected"},{"version":"Master Branch (35a819fa)","status":"affected"}]}],"descriptions":[{"lang":"en","value":"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 8842 of biosig.c on the current master branch (35a819fa), when the Tag is 12:\r\n\r\n                else if (tag==12)    //0x0C\r\n                {\r\n                    // sampling resolution\r\n                    if (len>6) fprintf(stderr,\"Warning MFER tag12 incorrect length %i>6\\n\",len);\r\n                    val32   = 0;\r\n                    int8_t  v8;\r\n                    curPos += ifread(&UnitCode,1,1,hdr);\r\n                    curPos += ifread(&v8,1,1,hdr);\r\n                    curPos += ifread(buf,1,len-2,hdr);\r\n\r\nIn addition to values of `len` greater than 130 triggering a buffer overflow, a value of `len` smaller than 2 will also trigger a buffer overflow due to an integer underflow when computing `len-2` in this code path."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-121: Stack-based Buffer Overflow","type":"CWE","cweId":"CWE-121"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"providerMetadata":{"orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","shortName":"talos","dateUpdated":"2025-08-25T13:53:46.068Z"},"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234"}],"credits":[{"lang":"en","value":"Discovered by Mark Bereza and Lilith >_> of Cisco Talos."}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-25T19:04:54.578271Z","id":"CVE-2025-54487","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-08-25T19:05:00.587Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2234"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T18:13:28.729Z"}}]}}