CVE-2023-42363
busybox: Fixed use-after-free vulnerability in xasprintf function in xfuncs_printf.c (bsc#1217580)
CVE-2023-42363 is fixed in 8 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
0.0042
37th percentile
Fixed use-after-free vulnerability in xasprintf function in xfuncs_printf.c (bsc#1217580)
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| busybox · Debian 12.15 (bookworm) | 1:1.35.0-4+deb12u1 | DEBIAN-CVE-2023-42363 | Nov 27, 2023 |
| busybox · Debian 13.5 (trixie) | 1:1.37.0-1 | DEBIAN-CVE-2023-42363 | Nov 27, 2023 |
| busybox · Debian 14 | 1:1.37.0-1 | DEBIAN-CVE-2023-42363 | 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 |
| trivy · opensuse-leap 15.6 | 0.54.1-bp156.2.3.1 | OPENSUSE-SU-2024:0269-1 | Aug 30, 2024 |
| 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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