{"id":"UBUNTU-CVE-2023-42364","details":"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.","modified":"2026-02-04T02:14:47.657663Z","published":"2023-11-27T23:15:00Z","related":["USN-6961-1"],"upstream":["CVE-2023-42364"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-42364"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-42364"},{"type":"REPORT","url":"https://gitlab.alpinelinux.org/alpine/aports/-/blob/master/main/busybox/CVE-2023-42364-CVE-2023-42365.patch"},{"type":"REPORT","url":"http://lists.busybox.net/pipermail/busybox/2024-May/090762.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6961-1"}],"affected":[{"package":{"name":"busybox","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/busybox@1:1.36.1-6ubuntu3.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.36.1-6ubuntu3.1"}]}],"versions":["1:1.36.1-3ubuntu1","1:1.36.1-6ubuntu1","1:1.36.1-6ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.36.1-6ubuntu3.1","binary_name":"busybox"},{"binary_version":"1:1.36.1-6ubuntu3.1","binary_name":"busybox-initramfs"},{"binary_version":"1:1.36.1-6ubuntu3.1","binary_name":"busybox-static"},{"binary_version":"1:1.36.1-6ubuntu3.1","binary_name":"busybox-syslogd"},{"binary_version":"1:1.36.1-6ubuntu3.1","binary_name":"udhcpc"},{"binary_version":"1:1.36.1-6ubuntu3.1","binary_name":"udhcpd"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-42364.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}