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Affected Component
Analysis
busybox
Patched
Name
CVE-2026-26158
Description
A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege escalation, enabling an attacker to gain unauthorized access to critical system files.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
busybox (yocto:scarthgap)
#
Title
Author
Resolve
1
tar: strip unsafe hardlink components - GNU tar does the same
Denys Vlasenko <vda.linux@googlemail.com>
CVE-2026-26157
CVE-2026-26158
2
tar: only strip unsafe components from hardlinks, not
Radoslav Kolev <radoslav.kolev@suse.com>
CVE-2026-26157
CVE-2026-26158