CVE-2024-42040

8.1 highEPSS 0.6%

High (8.1) in denx u-boot. 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.

Severity

CVSS 3.1

8.1 high

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2024-08-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

denx:u-boot

References

https://github.com/u-boot/u-boot/tags
https://www.schutzwerk.com/advisories/SCHUTZWERK-SA-2024-004.txt
http://seclists.org/fulldisclosure/2024/Aug/38

Check your stack JSON