CVE-2024-42040: Denx U-Boot

High severity, CVSS 8.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on the local network to leak memory from four up to 32 bytes of memory stored behind the packet to the network depending on the later use of DHCP-provided parameters via crafted DHCP responses.

Affected products

• Denx U-Boot: up to and including 2025.10

Published 2024-08-23. Last modified 2026-06-17.