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openSUSE Leap 15.5 BusyBox Security Warning - Major Code Flaw Alert

opensuse
Calendar Grey March 12, 2026
Dist Opensuse Esm H88
This update addresses eight vulnerabilities in busybox for openSUSE, including important security issues.
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).

Topics%20covered

Topics Covered

security advisory code execution important busybox OpenSUSE arbitrary file modification

Patch

## 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

*...

Read the Full Advisory

References

* bsc#1192869

* bsc#1217580

* bsc#1217584

* bsc#1217585

* bsc#1241661

* bsc#1253245

* bsc#1258163

* bsc#1258167

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0872-1
Release Date: 2026-03-11T17:06:44Z
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

Topics%20covered

Topics Covered

security advisory code execution important busybox OpenSUSE arbitrary file modification

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