CVE-2025-54493

Summary

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 9184 of biosig.c on the current master branch (35a819fa), when the Tag is 131:

            else if (tag==131)    //0x83
            {
                // Patient Age
                if (len!=7) fprintf(stderr,"Warning MFER tag131 incorrect length %i!=7\n",len);
                curPos += ifread(buf,1,len,hdr);

Affected Software

VendorProductVersion RangeStatus
The Biosig Projectlibbiosig3.9.0affected
The Biosig ProjectlibbiosigMaster Branch (35a819fa)affected

Weaknesses

  • CWE-121: CWE-121: Stack-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

CVE Program Container

Additional References

References