CVE-2022-33967

highpriority · track · 31EPSS 0.006 · 46 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.56% (46th) EPSS

CVSS 7.8 · high

Is it mine?

7 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (7)

Products and version ranges known to be affected.

DENX Software Engineering U-Boot≤ versions from v2020.10-rc2 to v2022.07-rc5enisa_euvdEU
denx u-boot= 2020.10nvdUScpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
denx u-boot= 2021.01nvdUScpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
denx u-boot= 2021.04nvdUScpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
denx u-boot= 2022.01nvdUScpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
denx u-boot= 2022.04nvdUScpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
denx u-boot= 2022.07nvdUScpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-07-20modified 2026-06-17

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+16120 more

references (20)

External citations — patches, advisories, analysis.

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