CVE-2025-54488

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 8850 of biosig.c on the current master branch (35a819fa), when the Tag is 13:

            else if (tag==13) {
                if (len>8) fprintf(stderr,"Warning MFER tag13 incorrect length %i>8\n",len);
                curPos += ifread(&buf,1,len,hdr);

Affected Software

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

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2234

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234

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