Cyber Resilience

CVE-2024-21812

CriticalPublic PoC

Published: 20 February 2024

Published
20 February 2024
Modified
04 November 2025
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0032 55.3th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-21812 is a critical-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Libbiosig Project Libbiosig. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 44.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An integer overflow vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .famos file can lead to an out-of-bounds write which in turn can lead to arbitrary code execution. An…

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attacker can provide a malicious file to trigger this vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

libbiosig project
libbiosig
2.5.0
fedoraproject
fedora
40

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References