SARA / Free Tools / CVE / CVE-2022-33967

CVE-2022-33967 — squashfs filesystem implementation of U-Boot versions from v2020

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

CVSS
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EPSS
0.11% (top 70.10%)
CWE
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Published
2022-07-20T06:15:22.000Z
Last modified
2025-11-03T19:27:07.915Z
CVSS vector
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01What is this vulnerability?

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.

02Affected products

VendorProductVersions
DENX Software EngineeringUBoot — versions from v2020.10-rc2 to v2022.07-rc5

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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