CVE-2022-33967
7.8
HIGH
CVSS 3.1
EPSS 0.56%
Description
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.
How to fix CVE-2022-33967
To remediate CVE-2022-33967, upgrade the affected package to a fixed version below.
- Debian/u-boot—upgrade to 2021.01+dfsg-5+deb11u1 or later
Is CVE-2022-33967 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2021.01+dfsg-5+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |