CVE-2024-21795
CWE-122Published: February 20, 2024· Updated: Jun 17, 2026
Official Description
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 trigger this vulnerability.
Risk Analysis
A heap-based buffer overflow in libbiosig's .egi parsing functionality allows remote attackers to achieve arbitrary code execution. The vulnerability is rated critical with a CVSS score of 9.8.
No public exploit is known, and the vulnerability is not included in the CISA KEV catalog.
Update libbiosig to a patched version or apply security updates provided by your distribution.
Technical Analysis
CVE-2024-21795 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-122)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-21795 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts