CVE-2025-54483

NameCVE-2025-54483
DescriptionA 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);
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1112133

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
biosig (PTS)bullseye2.1.2-4vulnerable
bookworm2.5.0-1vulnerable
forky, sid, trixie3.9.0-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
biosigsource(unstable)(unfixed)1112133

Notes

[trixie] - biosig <no-dsa> (Minor issue)
[bookworm] - biosig <no-dsa> (Minor issue)
[bullseye] - biosig <postponed> (Minor issue)
https://sourceforge.net/p/biosig/mailman/message/59224259/
https://sourceforge.net/p/biosig/code/ci/ba2f1c381b10f5ab50c94be3291b2560af0f7a96/

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