CVE-2021-41072

squashfs-tools: possible Directory Traversal via symbolic link

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Severity

Moderate

Red Hat Product Security

8.1

CVSS 3.1

Review impact separately from score.

Published · September 14, 2021

Updated · November 21, 2025

Description

A directory traversal flaw was found in squashfs-tools. During extraction, a file can escape the destination directory by using a symbolic link, and a regular file with an identical name. This flaw allows a specially crafted squashfs archive to install or overwrite files outside of the destination directory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

CWE-59 · Improper Link Resolution Before File Access ('Link Following')