Security update for busybox

Announcement ID:	SUSE-SU-2026:0872-1
Release Date:	2026-03-11T17:06:44Z
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:	openSUSE Leap 15.4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP4

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:

• openSUSE Leap 15.4
  zypper in -t patch SUSE-2026-872=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-872=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-872=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-872=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-872=1

Package List:

• openSUSE Leap 15.4 (noarch)
  • busybox-less-1.35.0-150400.4.7.1
  • busybox-net-tools-1.35.0-150400.4.7.1
  • busybox-sysvinit-tools-1.35.0-150400.4.7.1
  • busybox-tftp-1.35.0-150400.4.7.1
  • busybox-sh-1.35.0-150400.4.7.1
  • busybox-traceroute-1.35.0-150400.4.7.1
  • busybox-vi-1.35.0-150400.4.7.1
  • busybox-vlan-1.35.0-150400.4.7.1
  • busybox-cpio-1.35.0-150400.4.7.1
  • busybox-patch-1.35.0-150400.4.7.1
  • busybox-tar-1.35.0-150400.4.7.1
  • busybox-tunctl-1.35.0-150400.4.7.1
  • busybox-ed-1.35.0-150400.4.7.1
  • busybox-diffutils-1.35.0-150400.4.7.1
  • busybox-time-1.35.0-150400.4.7.1
  • busybox-kmod-1.35.0-150400.4.7.1
  • busybox-netcat-1.35.0-150400.4.7.1
  • busybox-psmisc-1.35.0-150400.4.7.1
  • busybox-grep-1.35.0-150400.4.7.1
  • busybox-man-1.35.0-150400.4.7.1
  • busybox-selinux-tools-1.35.0-150400.4.7.1
  • busybox-telnet-1.35.0-150400.4.7.1
  • busybox-bind-utils-1.35.0-150400.4.7.1
  • busybox-misc-1.35.0-150400.4.7.1
  • busybox-unzip-1.35.0-150400.4.7.1
  • busybox-iproute2-1.35.0-150400.4.7.1
  • busybox-dos2unix-1.35.0-150400.4.7.1
  • busybox-util-linux-1.35.0-150400.4.7.1
  • busybox-procps-1.35.0-150400.4.7.1
  • busybox-bzip2-1.35.0-150400.4.7.1
  • busybox-adduser-1.35.0-150400.4.7.1
  • busybox-sendmail-1.35.0-150400.4.7.1
  • busybox-iputils-1.35.0-150400.4.7.1
  • busybox-ncurses-utils-1.35.0-150400.4.7.1
  • busybox-hostname-1.35.0-150400.4.7.1
  • busybox-attr-1.35.0-150400.4.7.1
  • busybox-bc-1.35.0-150400.4.7.1
  • busybox-whois-1.35.0-150400.4.7.1
  • busybox-gzip-1.35.0-150400.4.7.1
  • busybox-findutils-1.35.0-150400.4.7.1
  • busybox-sharutils-1.35.0-150400.4.7.1
  • busybox-syslogd-1.35.0-150400.4.7.1
  • busybox-kbd-1.35.0-150400.4.7.1
  • busybox-sed-1.35.0-150400.4.7.1
  • busybox-policycoreutils-1.35.0-150400.4.7.1
  • busybox-which-1.35.0-150400.4.7.1
  • busybox-wget-1.35.0-150400.4.7.1
  • busybox-links-1.35.0-150400.4.7.1
  • busybox-xz-1.35.0-150400.4.7.1
  • busybox-gawk-1.35.0-150400.4.7.1
  • busybox-coreutils-1.35.0-150400.4.7.1
• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • busybox-static-1.35.0-150400.3.14.1
  • busybox-1.35.0-150400.3.14.1
  • busybox-testsuite-1.35.0-150400.3.14.1
• openSUSE Leap 15.4 (aarch64 x86_64 i586)
  • busybox-warewulf3-1.35.0-150400.3.14.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • busybox-static-1.35.0-150400.3.14.1
  • busybox-1.35.0-150400.3.14.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • busybox-static-1.35.0-150400.3.14.1
  • busybox-1.35.0-150400.3.14.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • busybox-static-1.35.0-150400.3.14.1
  • busybox-1.35.0-150400.3.14.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • busybox-static-1.35.0-150400.3.14.1
  • busybox-1.35.0-150400.3.14.1

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