Out-of-bounds Write Affecting u-boot package, versions <2022.07+dfsg-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.56% (45th percentile)

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  • Snyk IDSNYK-ECHOLATEST-UBOOT-17966373
  • published14 Jul 2026
  • disclosed20 Jul 2022

Introduced: 20 Jul 2022

CVE-2022-33967  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Echo:latest u-boot to version 2022.07+dfsg-1 or higher.

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.

squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.

CVSS Base Scores

version 3.1