Out-of-Bounds Affecting u-boot package, versions *


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
2.04% (79th percentile)

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  • Snyk IDSNYK-ECHOLATEST-UBOOT-17966342
  • published14 Jul 2026
  • disclosed20 Nov 2018

Introduced: 20 Nov 2018

CVE-2018-18439  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest u-boot.

NVD Description

Note: Versions mentioned in the description apply only to the upstream u-boot package and not the u-boot package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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 Base Scores

version 3.1