CVE-2024-21812 Integer overflow in libbiosig

What is CVE-2024-21812?

CVE-2024-21812 is a critical vulnerability in Fedoraproject Fedora, published on 20 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 attacker can provide a malicious file to trigger this vulnerability.

Weakness: CWE-190

Which versions are affected by CVE-2024-21812?

It affects 2 products.

Products include Fedoraproject Fedora, Libbiosig Project Libbiosig.

How do I fix CVE-2024-21812?

Upgrade to a fixed version.

Is CVE-2024-21812 being exploited?

There is no known exploitation of CVE-2024-21812 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-21812, GHSA-v58q-q96x-jmrj, UBUNTU-CVE-2024-21812.