busybox: A flaw was found in BusyBox
CVE-2026-26158 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-26158, released February 11, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| busybox · Debian 14 | 1:1.37.0-10.1 | DEBIAN-CVE-2026-26158 | Feb 11, 2026 |
| busybox · opensuse-leap 15.6 | 1.37.0-150500.10.17.1 | SUSE-SU-2026:0758-1 | Mar 3, 2026 |
| busybox · opensuse-leap 16.0 | 1.37.0-160000.5.1 | OPENSUSE-SU-2026:20387-1 | Mar 18, 2026 |
| busybox · sles 15.6 | 1.37.0-150500.10.17.1 | SUSE-SU-2026:0758-1 | Mar 3, 2026 |
| busybox · sles 15.7 | 1.37.0-150700.18.15.1 | SUSE-SU-2026:0759-1 | Mar 3, 2026 |
| busybox · sles 16.0 | 1.37.0-160000.5.1 | SUSE-SU-2026:20905-1 | Mar 18, 2026 |
| busybox-links · opensuse-leap 15.6 | 1.37.0-150500.7.11.1 | SUSE-SU-2026:0758-1 | Mar 3, 2026 |
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