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openSUSE Leap 15.5 BusyBox Security Warning

Linuxsecurity •LinuxSecurity Advisories • March 12, 2026

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

## 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:

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

* 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 * Read the Full Advisory

* 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

* bsc#1192869 * bsc#1217580 * bsc#1217584 * bsc#1217585 * bsc#1241661 * bsc#1253245 * bsc#1258163 * bsc#1258167 ## References: * * * * * * * * * * * * * * * * Read the Full Advisory

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Vulnerabilities in BusyBox Affecting openSUSE Systems A security update for BusyBox addresses multiple vulnerabilities, including CVE-2023-42363, CVE-2023-42364, CVE-2023-42365, CVE-2025-46394, CVE-2025-60876, CVE-2026-26157, and CVE-2026-26158. These vulnerabilities include use-after-free issues and arbitrary file overwrite risks, impacting systems running openSUSE Leap 15.4 and SUSE Linux Enterprise Server 15 SP4. The vulnerabilities could lead to code execution, privilege escalation, and data exposure. Users are advised to apply the patches using recommended installation methods like YaST or zypper. The vulnerabilities were published between 2021 and 2026, with the most recent ones disclosed in February 2026. The update is crucial for maintaining system integrity and security against potential exploitation. 3 sources 72

Extracted Entities

openSUSE Leap 15.5 BusyBox Security Warning

The full story

Extracted Entities

CVEs (8)

Platforms (8)

Tools (1)