SUSE-SU-2026:24154-1: moderate: Security update for busybox

Thu Oct 15 12:40:30 UTC 2026

# Security update for busybox

Announcement ID: SUSE-SU-2026:24154-1  
Release Date: 2026-10-06T16:10:21Z  
Rating: moderate  
References:

  * bsc#1217586
  * bsc#1271544
  * bsc#1271545
  * bsc#1271547
  * bsc#1271548

Cross-References:

  * CVE-2023-42366
  * CVE-2026-38752
  * CVE-2026-38753
  * CVE-2026-38754
  * CVE-2026-38755

CVSS scores:

  * CVE-2023-42366 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-42366 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-38752 ( SUSE ):  4.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-38752 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-38752 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-38752 ( NVD ):  2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-38753 ( SUSE ):  4.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-38753 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
  * CVE-2026-38753 ( NVD ):  4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2026-38753 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-38754 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-38754 ( SUSE ):  5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-38754 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-38754 ( NVD ):  5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-38755 ( SUSE ):  4.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-38755 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-38755 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-38755 ( NVD ):  2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves five vulnerabilities can now be installed.

## Description:

This update for busybox fixes the following issues:

  * CVE-2023-42366: heap-buffer-overflow in the next_token function
    (bsc#1217586).
  * CVE-2026-38752: Denial of Service via crafted AWK script (bsc#1271544).
  * CVE-2026-38753: use-after-free in awk_sub() (bsc#1271545).
  * CVE-2026-38754: heap overflow in ifsbreakup() (bsc#1271547).
  * CVE-2026-38755: heap overflow in evalcommand() (bsc#1271548).

## 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 for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1856

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1856

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * busybox-debuginfo-1.37.0-160000.7.1
    * busybox-1.37.0-160000.7.1
    * busybox-static-debuginfo-1.37.0-160000.7.1
    * busybox-static-1.37.0-160000.7.1
    * busybox-debugsource-1.37.0-160000.7.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (x86_64)
    * busybox-warewulf3-debuginfo-1.37.0-160000.7.1
    * busybox-warewulf3-1.37.0-160000.7.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * busybox-debuginfo-1.37.0-160000.7.1
    * busybox-1.37.0-160000.7.1
    * busybox-static-debuginfo-1.37.0-160000.7.1
    * busybox-static-1.37.0-160000.7.1
    * busybox-debugsource-1.37.0-160000.7.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 x86_64)
    * busybox-warewulf3-debuginfo-1.37.0-160000.7.1
    * busybox-warewulf3-1.37.0-160000.7.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-42366.html
  * https://www.suse.com/security/cve/CVE-2026-38752.html
  * https://www.suse.com/security/cve/CVE-2026-38753.html
  * https://www.suse.com/security/cve/CVE-2026-38754.html
  * https://www.suse.com/security/cve/CVE-2026-38755.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1217586
  * https://bugzilla.suse.com/show_bug.cgi?id=1271544
  * https://bugzilla.suse.com/show_bug.cgi?id=1271545
  * https://bugzilla.suse.com/show_bug.cgi?id=1271547
  * https://bugzilla.suse.com/show_bug.cgi?id=1271548

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