CVE-2022-33967

7.8 highEPSS 0.6%

High (7.8) in denx u-boot. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2022-07-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

denx:u-boot

References

https://jvn.jp/en/vu/JVNVU97846460/index.html
https://lists.denx.de/pipermail/u-boot/2022-June/487467.html
https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44
https://www.denx.de/project/u-boot/
https://jvn.jp/en/vu/JVNVU97846460/index.html

Check your stack JSON