Cyber Resilience

CVE-2024-21795

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 0.0127 79.9th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-21795 is a critical-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Libbiosig Project Libbiosig. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 20.1% 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

A heap-based buffer overflow vulnerability exists in the .egi parsing functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .egi file can lead to arbitrary code execution. An attacker can provide a malicious file to…

more

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

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References