{"id":"UBUNTU-CVE-2023-32726","details":"The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.","modified":"2025-10-24T05:02:02Z","published":"2023-12-18T10:15:00Z","upstream":["CVE-2023-32726"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-32726"},{"type":"REPORT","url":"https://support.zabbix.com/browse/ZBX-23855"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-32726"}],"affected":[{"package":{"name":"zabbix","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/zabbix@1:5.0.17+dfsg-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:5.0.8+dfsg-1build1","1:5.0.14+dfsg-1","1:5.0.17+dfsg-1","1:5.0.17+dfsg-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1","binary_name":"zabbix-agent"},{"binary_name":"zabbix-frontend-php","binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1"},{"binary_name":"zabbix-java-gateway","binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1"},{"binary_name":"zabbix-proxy-mysql","binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1"},{"binary_name":"zabbix-proxy-pgsql","binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1"},{"binary_name":"zabbix-proxy-sqlite3","binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1"},{"binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1","binary_name":"zabbix-server-mysql"},{"binary_name":"zabbix-server-pgsql","binary_version":"1:5.0.17+dfsg-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-32726.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}