SUSE-SU-2026:20905-1: important: Security update for busybox

[SLE-UPDATES]

# Security update for busybox

Announcement ID: SUSE-SU-2026:20905-1  
Release Date: 2026-03-18T15:29:19Z  
Rating: important  
References:

  * bsc#1258163
  * bsc#1258167
  * jsc#PED-13039

  
Cross-References:

  * CVE-2026-26157
  * CVE-2026-26158

  
CVSS scores:

  * CVE-2026-26157 ( SUSE ):  7.1
    CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-26157 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-26157 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-26158 ( SUSE ):  7.1
    CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-26158 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-26158 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server - BCI 16.0

  
  
An update that solves two vulnerabilities and contains one feature can now be
installed.

## Description:

This update for busybox fixes the following issues:

Changes in busybox:

  * CVE-2026-26157: Fixed arbitrary file overwrite and potential code execution
    via incomplete path sanitization. (bsc#1258163)
  * CVE-2026-26158: Fixed arbitrary file modification and privilege escalation
    via unvalidated tar archive entries. (bsc#1258167)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server - BCI 16.0  
    zypper in -t patch SUSE-SLES-16.0-405=1

## Package List:

  * SUSE Linux Enterprise Server - BCI 16.0 (aarch64 ppc64le s390x x86_64)
    * busybox-static-1.37.0-160000.5.1
    * busybox-debugsource-1.37.0-160000.5.1
    * busybox-static-debuginfo-1.37.0-160000.5.1
    * busybox-1.37.0-160000.5.1
    * busybox-debuginfo-1.37.0-160000.5.1
  * SUSE Linux Enterprise Server - BCI 16.0 (aarch64 x86_64)
    * busybox-warewulf3-debuginfo-1.37.0-160000.5.1
    * busybox-warewulf3-1.37.0-160000.5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-26157.html
  * https://www.suse.com/security/cve/CVE-2026-26158.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258163
  * https://bugzilla.suse.com/show_bug.cgi?id=1258167
  * https://jira.suse.com/browse/PED-13039

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