Security update for busybox

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