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OpenAdvisories
Unscored USN-5078-3 1 CVE

squashfs-tools vulnerability

Published Oct 13, 2021 · Updated Feb 10, 2026

Summary

USN-5078-1 fixed a vulnerability in Squashfs-Tools. That update was
incomplete and could still result in Squashfs-Tools mishandling certain
malformed SQUASHFS files. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Richard Weinberger discovered that Squashfs-Tools mishandled certain
malformed SQUASHFS files. An attacker could use this vulnerability to
write arbitrary files to the filesystem.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS squashfs-tools 1:4.4-1ubuntu0.3

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2021-41072