CVE catalog
CVE-2023-42363
BusyBox vulnerabilities
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.42% · Oct 25, 2026
A use-after-free vulnerability was discovered in xasprintf function in xfuncs_printf.c:344 in BusyBox v.1.36.1.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | busybox | sid | 1:1.38.0-3 | fixed |
| Debian | busybox | forky | 1:1.38.0-3 | fixed |
| Debian | busybox | trixie | 1:1.37.0-6 | fixed |
| Debian | busybox | bookworm | 1:1.35.0-4+deb12u1 | fixed |
| Ubuntu | busybox | noble | 1:1.35.0-4+deb12u1 | fixed |
| Ubuntu | busybox | noble | 1:1.36.1-6ubuntu3.1 | fixed |
| Ubuntu | busybox-initramfs | noble | 1:1.36.1-6ubuntu3.1 | fixed |
| Ubuntu | busybox-static | noble | 1:1.36.1-6ubuntu3.1 | fixed |
| Ubuntu | busybox-syslogd | noble | 1:1.36.1-6ubuntu3.1 | fixed |
| Ubuntu | udhcpc | noble | 1:1.36.1-6ubuntu3.1 | fixed |
| Ubuntu | udhcpd | noble | 1:1.36.1-6ubuntu3.1 | fixed |
| Alpine | busybox | 3.17 | 1.35.0-r31 | fixed |
| Alpine | busybox | 3.18 | 1.36.1-r7 | fixed |
| Alpine | busybox | 3.19 | 1.36.1-r17 | fixed |
| Alpine | busybox | 3.20 | 1.36.1-r27 | fixed |
| Alpine | busybox | 3.21 | 1.36.1-r27 | fixed |
| Alpine | busybox | 3.22 | 1.36.1-r27 | fixed |
| Alpine | busybox | 3.23 | 1.36.1-r27 | fixed |
| Alpine | busybox | 3.24 | 1.36.1-r27 | fixed |
| Opensuse | busybox | tumbleweed | 1.37.0-5.1 | fixed |
| Suse | busybox | linux enterprise module for basesystem 15 sp7 | 1.37.0-150700.18.4.1 | fixed |
| Opensuse | busybox | leap 15.6 | 1.37.0-150500.10.11.1 | fixed |
| Opensuse | busybox-links | leap 15.6 | 1.37.0-150500.7.7.2 | fixed |
| Ubuntu | busybox | 24.04 | 1:1.36.1-3ubuntu1 | vulnerable |
| Ubuntu | busybox | 24.04 | 1:1.36.1-6ubuntu1 | vulnerable |
| Ubuntu | busybox | 24.04 | 1:1.36.1-6ubuntu3 | vulnerable |
| Ubuntu | busybox | 24.04 | 1:1.36.1-6ubuntu3.1 | fixed |
| Opensuse | trivy | tumbleweed | 0.54.1-1.1 | fixed |
| Suse | trivy | package hub 15 sp6 | 0.54.1-bp156.2.3.1 | fixed |
| Opensuse | trivy | leap 15.6 | 0.54.1-bp156.2.3.1 | fixed |
| Suse | busybox | linux enterprise module for basesystem 15 sp6 | 1.37.0-150500.10.11.1 | fixed |
| Suse | busybox | linux enterprise high performance computing 15 sp5-espos | 1.37.0-150500.10.11.1 | fixed |
| Suse | busybox | linux enterprise high performance computing 15 sp5-ltss | 1.37.0-150500.10.11.1 | fixed |
| Suse | busybox | linux enterprise server 15 sp5-ltss | 1.37.0-150500.10.11.1 | fixed |
| Suse | busybox | linux enterprise server for sap applications 15 sp5 | 1.37.0-150500.10.11.1 | fixed |
| Opensuse | busybox | leap 15.6 | 1.37.0-150500.10.11.1 | fixed |
| Opensuse | busybox-links | leap 15.6 | 1.37.0-150500.7.7.2 | fixed |
| Suse | trivy | package hub 15 sp5 | 0.54.1-bp155.2.3.1 | fixed |
| Opensuse | trivy | leap 15.5 | 0.54.1-bp155.2.3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | busybox | source | sid | 1:1.37.0-1 | not yet assigned | Not reported | [1059050] |
| Debian | busybox | source | forky | 1:1.37.0-1 | not yet assigned | Not reported | [1059050] |
| Debian | busybox | source | trixie | 1:1.37.0-1 | not yet assigned | Not reported | [1059050] |
| Debian | busybox | source | bookworm | 1:1.35.0-4+deb12u1 | not yet assigned | Not reported | [1059050] |
| Ubuntu | busybox | deb | noble | 1:1.35.0-4+deb12u1 | Not reported | Not reported | Not reported |
| Ubuntu | busybox | deb | noble | 1:1.36.1-6ubuntu3.1 | Not reported | Not reported | Not reported |
| Ubuntu | busybox-initramfs | deb | noble | 1:1.36.1-6ubuntu3.1 | Not reported | Not reported | Not reported |
| Ubuntu | busybox-static | deb | noble | 1:1.36.1-6ubuntu3.1 | Not reported | Not reported | Not reported |
| Ubuntu | busybox-syslogd | deb | noble | 1:1.36.1-6ubuntu3.1 | Not reported | Not reported | Not reported |
| Ubuntu | udhcpc | deb | noble | 1:1.36.1-6ubuntu3.1 | Not reported | Not reported | Not reported |
| Ubuntu | udhcpd | deb | noble | 1:1.36.1-6ubuntu3.1 | Not reported | Not reported | Not reported |
| Alpine | busybox | apk | 3.17 | 1.35.0-r31 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Alpine | busybox | apk | 3.18 | 1.36.1-r7 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Alpine | busybox | apk | 3.19 | 1.36.1-r17 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Alpine | busybox | apk | 3.20 | 1.36.1-r27 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Alpine | busybox | apk | 3.21 | 1.36.1-r27 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Alpine | busybox | apk | 3.22 | 1.36.1-r27 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Alpine | busybox | apk | 3.23 | 1.36.1-r27 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Alpine | busybox | apk | 3.24 | 1.36.1-r27 | Not reported | ALPINE-CVE-2023-42363 | Not reported |
| Opensuse | busybox | rpm | tumbleweed | 1.37.0-5.1 | Not reported | OPENSUSE-SU-2025:15361-1 | Not reported |
| Suse | busybox | rpm | linux enterprise module for basesystem 15 sp7 | 1.37.0-150700.18.4.1 | Not reported | SUSE-SU-2025:03205-1 | Not reported |
| Opensuse | busybox | rpm | leap 15.6 | 1.37.0-150500.10.11.1 | Not reported | SUSE-SU-2025:03271-2 | Not reported |
| Opensuse | busybox-links | rpm | leap 15.6 | 1.37.0-150500.7.7.2 | Not reported | SUSE-SU-2025:03271-2 | Not reported |
| Ubuntu | busybox | deb | 24.04 | 1:1.36.1-6ubuntu3.1 | Not reported | UBUNTU-CVE-2023-42363 | Not reported |
| Opensuse | trivy | rpm | tumbleweed | 0.54.1-1.1 | Not reported | OPENSUSE-SU-2024:14237-1 | Not reported |
| Suse | trivy | rpm | package hub 15 sp6 | 0.54.1-bp156.2.3.1 | Not reported | OPENSUSE-SU-2024:0269-1 | Not reported |
| Opensuse | trivy | rpm | leap 15.6 | 0.54.1-bp156.2.3.1 | Not reported | OPENSUSE-SU-2024:0269-1 | Not reported |
| Suse | busybox | rpm | linux enterprise module for basesystem 15 sp6 | 1.37.0-150500.10.11.1 | Not reported | SUSE-SU-2025:03271-1 | Not reported |
| Suse | busybox | rpm | linux enterprise high performance computing 15 sp5-espos | 1.37.0-150500.10.11.1 | Not reported | SUSE-SU-2025:03271-1 | Not reported |
| Suse | busybox | rpm | linux enterprise high performance computing 15 sp5-ltss | 1.37.0-150500.10.11.1 | Not reported | SUSE-SU-2025:03271-1 | Not reported |
| Suse | busybox | rpm | linux enterprise server 15 sp5-ltss | 1.37.0-150500.10.11.1 | Not reported | SUSE-SU-2025:03271-1 | Not reported |
| Suse | busybox | rpm | linux enterprise server for sap applications 15 sp5 | 1.37.0-150500.10.11.1 | Not reported | SUSE-SU-2025:03271-1 | Not reported |
| Opensuse | busybox | rpm | leap 15.6 | 1.37.0-150500.10.11.1 | Not reported | SUSE-SU-2025:03271-1 | Not reported |
| Opensuse | busybox-links | rpm | leap 15.6 | 1.37.0-150500.7.7.2 | Not reported | SUSE-SU-2025:03271-1 | Not reported |
| Suse | trivy | rpm | package hub 15 sp5 | 0.54.1-bp155.2.3.1 | Not reported | OPENSUSE-SU-2024:0268-1 | Not reported |
| Opensuse | trivy | rpm | leap 15.5 | 0.54.1-bp155.2.3.1 | Not reported | OPENSUSE-SU-2024:0268-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-089022.json]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_03205-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2023-42363]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-42363]
- [https://osv.dev/vulnerability/SUSE-SU-2025:03205-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:03271-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:03271-2]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-42363]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:0268-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:0269-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:14237-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:15361-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-42363]
- [https://ubuntu.com/security/notices/USN-6961-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-3011.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]