CVE-2024-3209: Fedoraproject Fedora

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Fedoraproject Fedora: version 38 only; version 39 only; version 40 only
• Upx Upx: up to and including 4.2.2

Published 2024-04-02. Last modified 2026-06-17.