SUSE-SU-2026:3908-1: moderate: Security update for busybox

# Security update for busybox

Announcement ID: SUSE-SU-2026:3908-1  
Release Date: 2026-09-01T09:43:09Z  
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:

  * openSUSE Leap 15.4

  
  
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 of
    `editors/awk.c` (bsc#1217586).
  * CVE-2026-38752: stack buffer overflow in the `evaluate()` function of
    `editors/awk.c` (bsc#1271544).
  * CVE-2026-38753: use-after-free in the `awk_sub()` function of
    `editors/awk.c` (bsc#1271545).
  * CVE-2026-38754: heap buffer overflow in `ifsbreakup()` function of
    `shell/ash.c` (bsc#1271547).
  * CVE-2026-38755: heap buffer overflow in `evalcommand()` function of
    `shell/ash.c` (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:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-3908=1

## Package List:

  * openSUSE Leap 15.4 (noarch)
    * busybox-syslogd-1.35.0-150400.4.9.1
    * busybox-procps-1.35.0-150400.4.9.1
    * busybox-util-linux-1.35.0-150400.4.9.1
    * busybox-misc-1.35.0-150400.4.9.1
    * busybox-patch-1.35.0-150400.4.9.1
    * busybox-xz-1.35.0-150400.4.9.1
    * busybox-adduser-1.35.0-150400.4.9.1
    * busybox-unzip-1.35.0-150400.4.9.1
    * busybox-man-1.35.0-150400.4.9.1
    * busybox-kmod-1.35.0-150400.4.9.1
    * busybox-links-1.35.0-150400.4.9.1
    * busybox-vi-1.35.0-150400.4.9.1
    * busybox-psmisc-1.35.0-150400.4.9.1
    * busybox-grep-1.35.0-150400.4.9.1
    * busybox-dos2unix-1.35.0-150400.4.9.1
    * busybox-gawk-1.35.0-150400.4.9.1
    * busybox-findutils-1.35.0-150400.4.9.1
    * busybox-tftp-1.35.0-150400.4.9.1
    * busybox-which-1.35.0-150400.4.9.1
    * busybox-iproute2-1.35.0-150400.4.9.1
    * busybox-whois-1.35.0-150400.4.9.1
    * busybox-ncurses-utils-1.35.0-150400.4.9.1
    * busybox-sysvinit-tools-1.35.0-150400.4.9.1
    * busybox-iputils-1.35.0-150400.4.9.1
    * busybox-net-tools-1.35.0-150400.4.9.1
    * busybox-bc-1.35.0-150400.4.9.1
    * busybox-diffutils-1.35.0-150400.4.9.1
    * busybox-policycoreutils-1.35.0-150400.4.9.1
    * busybox-gzip-1.35.0-150400.4.9.1
    * busybox-wget-1.35.0-150400.4.9.1
    * busybox-vlan-1.35.0-150400.4.9.1
    * busybox-tar-1.35.0-150400.4.9.1
    * busybox-traceroute-1.35.0-150400.4.9.1
    * busybox-netcat-1.35.0-150400.4.9.1
    * busybox-tunctl-1.35.0-150400.4.9.1
    * busybox-selinux-tools-1.35.0-150400.4.9.1
    * busybox-sed-1.35.0-150400.4.9.1
    * busybox-bzip2-1.35.0-150400.4.9.1
    * busybox-ed-1.35.0-150400.4.9.1
    * busybox-telnet-1.35.0-150400.4.9.1
    * busybox-sharutils-1.35.0-150400.4.9.1
    * busybox-sh-1.35.0-150400.4.9.1
    * busybox-attr-1.35.0-150400.4.9.1
    * busybox-sendmail-1.35.0-150400.4.9.1
    * busybox-hostname-1.35.0-150400.4.9.1
    * busybox-time-1.35.0-150400.4.9.1
    * busybox-coreutils-1.35.0-150400.4.9.1
    * busybox-bind-utils-1.35.0-150400.4.9.1
    * busybox-less-1.35.0-150400.4.9.1
    * busybox-cpio-1.35.0-150400.4.9.1
    * busybox-kbd-1.35.0-150400.4.9.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * busybox-static-1.35.0-150400.3.20.1
    * busybox-1.35.0-150400.3.20.1
    * busybox-testsuite-1.35.0-150400.3.20.1
  * openSUSE Leap 15.4 (aarch64 i586 x86_64)
    * busybox-warewulf3-1.35.0-150400.3.20.1

## 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