Name: CVE-2018-18439: Improper Restriction of Operations within the Bounds of a Memory Buffer
Creator: Rapid7
Published: 2018-11-20T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2018-18439, CWE-119, CVSS 9.8, EPSS 0.00381

DENX U-Boot through 2018.09-rc1 has a remotely exploitable buffer overflow via a malicious TFTP server because TFTP traffic is mishandled. Also, local exploitation can occur via a crafted kernel image.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	No solution exists	May 15, 2025	Nov 20, 2018
Suse	—	Upgrade u-boot-toolsUpgrade u-boot-rpiarm64-docUpgrade u-boot-rpiarm64	Feb 4, 2022	Nov 20, 2018
Ubuntu	—	No solution exists	Jun 26, 2025	Nov 20, 2018

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence