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cve/2025/CVE-2025-54483.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
2025-09-29 21:09:30 +02:00

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CVE-2025-54483

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 8759 of biosig.c on the current master branch (35a819fa), when the Tag is 5:

			else if (tag==5)     //0x05: number of channels
			{
				uint16_t oldNS=hdr->NS;
				if (len>4) fprintf(stderr,"Warning MFER tag5 incorrect length %i>4\n",len);
				curPos += ifread(buf,1,len,hdr);

POC

Reference

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