CVE-2024-3209 | UPX up to 4.2.2 bele.h get_ne64 heap-based overflow

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 identification of this vulnerability is CVE-2024-3209. Access to the local network is required for this attack to succeed. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.