CVE-2024-23809

Name: CVE-2024-23809
Creator: NVD / NIST
Published: 2024-02-20T16:15:10.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2024-23809 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A double-free vulnerability exists in the BrainVision ASCII Header Parsing functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .vdhr file can lead to arbitrary code execution. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

A double-free vulnerability exists in the BrainVision ASCII Header Parsing functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .vdhr file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.68%

74.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Libbiosig Project	Libbiosig	2.5.0
Fedoraproject	Fedora	40

References

https://talosintelligence.com/vulnerability_reports/TALOS-2024-1919Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIRLGNQM33KAWVWP5RPMAPHWNP3IY5YW/Mailing List, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2024-1919Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1919

Timeline

Published: Feb 20, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-23809?

How severe is CVE-2024-23809?

CVE-2024-23809 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2024-23809?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-23809?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST