Security update for busybox SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2026:0872-1 Final 1 1 2026-03-11T17:06:34Z current 2026-03-11T17:06:34Z 2026-03-11T17:06:34Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for busybox 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). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2026-872,SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-872,SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-872,SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-872,SUSE-SLE-Product-SLES_SAP-15-SP4-2026-872 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ Link for SUSE-SU-2026:0872-1 https://lists.suse.com/pipermail/sle-security-updates/2026-March/024677.html E-Mail link for SUSE-SU-2026:0872-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1192869 SUSE Bug 1192869 https://bugzilla.suse.com/1217580 SUSE Bug 1217580 https://bugzilla.suse.com/1217584 SUSE Bug 1217584 https://bugzilla.suse.com/1217585 SUSE Bug 1217585 https://bugzilla.suse.com/1241661 SUSE Bug 1241661 https://bugzilla.suse.com/1253245 SUSE Bug 1253245 https://bugzilla.suse.com/1258163 SUSE Bug 1258163 https://bugzilla.suse.com/1258167 SUSE Bug 1258167 https://www.suse.com/security/cve/CVE-2021-42380/ SUSE CVE CVE-2021-42380 page https://www.suse.com/security/cve/CVE-2023-42363/ SUSE CVE CVE-2023-42363 page https://www.suse.com/security/cve/CVE-2023-42364/ SUSE CVE CVE-2023-42364 page https://www.suse.com/security/cve/CVE-2023-42365/ SUSE CVE CVE-2023-42365 page https://www.suse.com/security/cve/CVE-2025-46394/ SUSE CVE CVE-2025-46394 page https://www.suse.com/security/cve/CVE-2025-60876/ SUSE CVE CVE-2025-60876 page https://www.suse.com/security/cve/CVE-2026-26157/ SUSE CVE CVE-2026-26157 page https://www.suse.com/security/cve/CVE-2026-26158/ SUSE CVE CVE-2026-26158 page SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise Server 15 SP4-LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP4 busybox-1.35.0-150400.3.14.1 busybox-adduser-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-bind-utils-1.35.0-150400.4.7.1 busybox-bzip2-1.35.0-150400.4.7.1 busybox-coreutils-1.35.0-150400.4.7.1 busybox-cpio-1.35.0-150400.4.7.1 busybox-diffutils-1.35.0-150400.4.7.1 busybox-dos2unix-1.35.0-150400.4.7.1 busybox-ed-1.35.0-150400.4.7.1 busybox-findutils-1.35.0-150400.4.7.1 busybox-gawk-1.35.0-150400.4.7.1 busybox-grep-1.35.0-150400.4.7.1 busybox-gzip-1.35.0-150400.4.7.1 busybox-hostname-1.35.0-150400.4.7.1 busybox-iproute2-1.35.0-150400.4.7.1 busybox-iputils-1.35.0-150400.4.7.1 busybox-kbd-1.35.0-150400.4.7.1 busybox-kmod-1.35.0-150400.4.7.1 busybox-less-1.35.0-150400.4.7.1 busybox-links-1.35.0-150400.4.7.1 busybox-man-1.35.0-150400.4.7.1 busybox-misc-1.35.0-150400.4.7.1 busybox-ncurses-utils-1.35.0-150400.4.7.1 busybox-net-tools-1.35.0-150400.4.7.1 busybox-netcat-1.35.0-150400.4.7.1 busybox-patch-1.35.0-150400.4.7.1 busybox-policycoreutils-1.35.0-150400.4.7.1 busybox-procps-1.35.0-150400.4.7.1 busybox-psmisc-1.35.0-150400.4.7.1 busybox-sed-1.35.0-150400.4.7.1 busybox-selinux-tools-1.35.0-150400.4.7.1 busybox-sendmail-1.35.0-150400.4.7.1 busybox-sh-1.35.0-150400.4.7.1 busybox-sharutils-1.35.0-150400.4.7.1 busybox-static-1.35.0-150400.3.14.1 busybox-syslogd-1.35.0-150400.4.7.1 busybox-sysvinit-tools-1.35.0-150400.4.7.1 busybox-tar-1.35.0-150400.4.7.1 busybox-telnet-1.35.0-150400.4.7.1 busybox-testsuite-1.35.0-150400.3.14.1 busybox-tftp-1.35.0-150400.4.7.1 busybox-time-1.35.0-150400.4.7.1 busybox-traceroute-1.35.0-150400.4.7.1 busybox-tunctl-1.35.0-150400.4.7.1 busybox-unzip-1.35.0-150400.4.7.1 busybox-util-linux-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-warewulf3-1.35.0-150400.3.14.1 busybox-wget-1.35.0-150400.4.7.1 busybox-which-1.35.0-150400.4.7.1 busybox-whois-1.35.0-150400.4.7.1 busybox-xz-1.35.0-150400.4.7.1 busybox-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS busybox-static-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS busybox-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS busybox-static-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS busybox-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise Server 15 SP4-LTSS busybox-static-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise Server 15 SP4-LTSS busybox-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 busybox-static-1.35.0-150400.3.14.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function CVE-2021-42380 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2021-42380.html CVE-2021-42380 https://bugzilla.suse.com/1192869 SUSE Bug 1192869 A use-after-free vulnerability was discovered in xasprintf function in xfuncs_printf.c:344 in BusyBox v.1.36.1. CVE-2023-42363 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2023-42363.html CVE-2023-42363 https://bugzilla.suse.com/1217580 SUSE Bug 1217580 A use-after-free vulnerability in BusyBox v.1.36.1 allows attackers to cause a denial of service via a crafted awk pattern in the awk.c evaluate function. CVE-2023-42364 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2023-42364.html CVE-2023-42364 https://bugzilla.suse.com/1217584 SUSE Bug 1217584 A use-after-free vulnerability was discovered in BusyBox v.1.36.1 via a crafted awk pattern in the awk.c copyvar function. CVE-2023-42365 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2023-42365.html CVE-2023-42365 https://bugzilla.suse.com/1217585 SUSE Bug 1217585 In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences. CVE-2025-46394 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2025-46394.html CVE-2025-46394 https://bugzilla.suse.com/1241661 SUSE Bug 1241661 BusyBox wget thru 1.3.7 accepted raw CR (0x0D)/LF (0x0A) and other C0 control bytes in the HTTP request-target (path/query), allowing the request line to be split and attacker-controlled headers to be injected. To preserve the HTTP/1.1 request-line shape METHOD SP request-target SP HTTP/1.1, a raw space (0x20) in the request-target must also be rejected (clients should use %20). CVE-2025-60876 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2025-60876.html CVE-2025-60876 https://bugzilla.suse.com/1253245 SUSE Bug 1253245 A flaw was found in BusyBox. Incomplete path sanitization in its archive extraction utilities allows an attacker to craft malicious archives that when extracted, and under specific conditions, may write to files outside the intended directory. This can lead to arbitrary file overwrite, potentially enabling code execution through the modification of sensitive system files. CVE-2026-26157 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2026-26157.html CVE-2026-26157 https://bugzilla.suse.com/1258163 SUSE Bug 1258163 A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege escalation, enabling an attacker to gain unauthorized access to critical system files. CVE-2026-26158 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server 15 SP4-LTSS:busybox-static-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-1.35.0-150400.3.14.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:busybox-static-1.35.0-150400.3.14.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260872-1/ https://www.suse.com/security/cve/CVE-2026-26158.html CVE-2026-26158 https://bugzilla.suse.com/1258167 SUSE Bug 1258167