SUSE-SU-2026:0892-1: important: Security update for busybox

Fri Mar 13 16:30:21 UTC 2026

# Security update for busybox

Announcement ID: SUSE-SU-2026:0892-1  
Release Date: 2026-03-13T09:05:11Z  
Rating: important  
References:

  * bsc#1192869
  * bsc#1217580
  * bsc#1217584
  * bsc#1217585
  * bsc#1241661
  * bsc#1253245
  * bsc#1258163
  * bsc#1258167

Cross-References:

  * CVE-2021-42380
  * CVE-2023-42363
  * CVE-2023-42364
  * CVE-2023-42365
  * CVE-2025-46394
  * CVE-2025-60876
  * CVE-2026-26157
  * CVE-2026-26158

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:

  * https://www.suse.com/security/cve/CVE-2021-42380.html
  * https://www.suse.com/security/cve/CVE-2023-42363.html
  * https://www.suse.com/security/cve/CVE-2023-42364.html
  * https://www.suse.com/security/cve/CVE-2023-42365.html
  * https://www.suse.com/security/cve/CVE-2025-46394.html
  * https://www.suse.com/security/cve/CVE-2025-60876.html
  * 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=1192869
  * https://bugzilla.suse.com/show_bug.cgi?id=1217580
  * https://bugzilla.suse.com/show_bug.cgi?id=1217584
  * https://bugzilla.suse.com/show_bug.cgi?id=1217585
  * https://bugzilla.suse.com/show_bug.cgi?id=1241661
  * https://bugzilla.suse.com/show_bug.cgi?id=1253245
  * https://bugzilla.suse.com/show_bug.cgi?id=1258163
  * https://bugzilla.suse.com/show_bug.cgi?id=1258167

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