CVE-2023-42364

busybox: This update for busybox, busybox-links fixes the following issues: Updated to version 1.37.0 (jsc#PED-13039): - C...

CVE-2023-42364 is fixed in 7 products on 1 platform, first by busybox 1:1.36.1-6ubuntu3.1, released November 27, 2023. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0043
37th percentile

This update for busybox, busybox-links fixes the following issues: Updated to version 1.37.0 (jsc#PED-13039): - CVE-2023-42363: Fixed use-after-free vulnerability in xasprintf function in xfuncs_printf.c (bsc#1217580) - CVE-2023-42364: Fixed use-after-free in the awk.c evaluate function (bsc#1217584) - CVE-2023-42365: Fixed use-after-free in the awk.c copyvar function (bsc#1217585) Other fixes: - fix generation of file lists via Dockerfile - add copy of busybox.links from the container to catch changes to busybox config - Blacklist creating links for halt, reboot, shutdown commands to avoid accidental use in a fully booted system (bsc#1243201) - Add getfattr applet to attr filelist - busybox-udhcpc conflicts with udhcp. - Add new sub-package for udhcpc - zgrep: don't set the label option as only the real grep supports it (bsc#1215943) - Add conflict for coreutils-systemd, package got splitted - Check in filelists instead of buildrequiring all non-busybox utils - Replace transitional %usrmerged macro with regular version check (bsc#1206798) - Create sub-package 'hexedit' [bsc#1203399] - Create sub-package 'sha3sum' [bsc#1203397] - Drop update-alternatives support - Add provides smtp_daemon to busybox-sendmail - Add conflicts: mawk to busybox-gawk - fix mkdir path to point to /usr/bin instead of /bin - add placeholder variable and ignore applet logic to busybox.install - enable halt, poweroff, reboot commands (bsc#1243201) - Fully enable udhcpc and document that this tool needs special configuration and does not work out of the box [bsc#1217883] - Replace transitional %usrmerged macro with regular version check (bsc#1206798)

Where it's fixed

ProductFixed inFixReleased
Linux
busybox · Debian 12.15 (bookworm) 1:1.35.0-4+deb12u1 DEBIAN-CVE-2023-42364 Nov 27, 2023
busybox · Debian 13.5 (trixie) 1:1.37.0-1 DEBIAN-CVE-2023-42364 Nov 27, 2023
busybox · Debian 14 1:1.37.0-1 DEBIAN-CVE-2023-42364 Nov 27, 2023
busybox · Ubuntu 24.04.5 LTS (noble) 1:1.36.1-6ubuntu3.1 busybox 1:1.36.1-6ubuntu3.1 Nov 27, 2023
busybox · Ubuntu 24.10 (oracular) 1:1.36.1-6ubuntu4 busybox 1:1.36.1-6ubuntu4 Jan 16, 2026
busybox · Ubuntu 25.04 (plucky) 1:1.36.1-6ubuntu4 busybox 1:1.36.1-6ubuntu4 Jan 16, 2026
busybox · opensuse-leap 15.6 1.37.0-150500.10.11.1 SUSE-SU-2025:03271-2 Sep 23, 2025
busybox · sles 15.6 1.37.0-150500.10.11.1 SUSE-SU-2025:03271-1 Sep 23, 2025
busybox · sles 15.7 1.37.0-150700.18.4.1 SUSE-SU-2025:03205-1 Sep 12, 2025
busybox-initramfs · Ubuntu 24.04.5 LTS (noble) 1:1.36.1-6ubuntu3.1 busybox-initramfs 1:1.36.1-6ubuntu3.1 Nov 27, 2023
busybox-initramfs · Ubuntu 24.10 (oracular) 1:1.36.1-6ubuntu4 busybox-initramfs 1:1.36.1-6ubuntu4 Jan 16, 2026
busybox-initramfs · Ubuntu 25.04 (plucky) 1:1.36.1-6ubuntu4 busybox-initramfs 1:1.36.1-6ubuntu4 Jan 16, 2026
busybox-links · opensuse-leap 15.6 1.37.0-150500.7.7.2 SUSE-SU-2025:03271-2 Sep 23, 2025
busybox-static · Ubuntu 24.04.5 LTS (noble) 1:1.36.1-6ubuntu3.1 busybox-static 1:1.36.1-6ubuntu3.1 Nov 27, 2023
busybox-static · Ubuntu 24.10 (oracular) 1:1.36.1-6ubuntu4 busybox-static 1:1.36.1-6ubuntu4 Jan 16, 2026
busybox-static · Ubuntu 25.04 (plucky) 1:1.36.1-6ubuntu4 busybox-static 1:1.36.1-6ubuntu4 Jan 16, 2026
busybox-syslogd · Ubuntu 24.04.5 LTS (noble) 1:1.36.1-6ubuntu3.1 busybox-syslogd 1:1.36.1-6ubuntu3.1 Nov 27, 2023
busybox-syslogd · Ubuntu 24.10 (oracular) 1:1.36.1-6ubuntu4 busybox-syslogd 1:1.36.1-6ubuntu4 Jan 16, 2026
busybox-syslogd · Ubuntu 25.04 (plucky) 1:1.36.1-6ubuntu4 busybox-syslogd 1:1.36.1-6ubuntu4 Jan 16, 2026
udhcpc · Ubuntu 24.04.5 LTS (noble) 1:1.36.1-6ubuntu3.1 udhcpc 1:1.36.1-6ubuntu3.1 Nov 27, 2023
udhcpc · Ubuntu 24.10 (oracular) 1:1.36.1-6ubuntu4 udhcpc 1:1.36.1-6ubuntu4 Jan 16, 2026
udhcpc · Ubuntu 25.04 (plucky) 1:1.36.1-6ubuntu4 udhcpc 1:1.36.1-6ubuntu4 Jan 16, 2026
udhcpd · Ubuntu 24.04.5 LTS (noble) 1:1.36.1-6ubuntu3.1 udhcpd 1:1.36.1-6ubuntu3.1 Nov 27, 2023
udhcpd · Ubuntu 24.10 (oracular) 1:1.36.1-6ubuntu4 udhcpd 1:1.36.1-6ubuntu4 Jan 16, 2026
udhcpd · Ubuntu 25.04 (plucky) 1:1.36.1-6ubuntu4 udhcpd 1:1.36.1-6ubuntu4 Jan 16, 2026

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