Security update for busybox

Announcement ID: SUSE-SU-2026:0892-1
Release Date: 2026-03-13T09:05:11Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-42380 ( SUSE ): 6.6 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-42380 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-42380 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-42363 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2023-42363 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2023-42364 ( SUSE ): 5.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2023-42364 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2023-42364 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2023-42364 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2023-42365 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2023-42365 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2025-46394 ( SUSE ): 5.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
  • CVE-2025-46394 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
  • CVE-2025-46394 ( NVD ): 3.2 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
  • CVE-2025-46394 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  • CVE-2025-60876 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:N
  • CVE-2025-60876 ( SUSE ): 8.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
  • CVE-2025-60876 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  • 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 High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves eight vulnerabilities can now be installed.

Description:

This update for busybox fixes the following issues:

  • CVE-2023-42363: use-after-free vulnerability in xasprintf function in xfuncs_printf.c (bsc#1217580).
  • CVE-2023-42364: use-after-free in the awk.c evaluate function (bsc#1217584).
  • CVE-2023-42365: use-after-free in the awk.c copyvar function (bsc#1217585).
  • CVE-2025-46394: files in a TAR archive can have their filenames hidden from a listing if terminal escape sequences are used when naming other files included in the archive (bsc#1241661).
  • CVE-2025-60876: request line incorrectly neutralized mat lead to header injection (bsc#1253245).
  • CVE-2026-26157: Arbitrary file overwrite and potential code execution via incomplete path sanitization (bsc#1258163).
  • CVE-2026-26158: Arbitrary file modification and privilege escalation via unvalidated tar archive entries (bsc#1258167).
  • CVE-2021-42380: Additional fix for use-after-realloc in awk (bsc#1192869).

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 12 SP5 LTSS
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-892=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-892=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • busybox-1.35.0-10.3.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • busybox-1.35.0-10.3.1

References: