{"id":"CVE-2026-59783","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-59783","generatedAt":"2026-10-28T02:57:59.637Z","title":"The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability.","description":"The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.","published":"2026-10-05T11:17:00.000Z","lastModified":"2026-10-06T15:27:06.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@zabbix.com","cvss":{"version":"4.0","score":2.3,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-787"],"affected":[],"epss":{"score":0.00226,"percentile":0.1319,"date":"2026-10-26","history":[{"date":"2026-10-06","score":0.00226,"percentile":0.12191}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-05T11:17:00.000Z","detail":{"score":"2.3","severity":"LOW","publishedAt":"2026-10-05T11:16:59.513Z"},"summary":"New CVE, low severity (CVSS 2.3)."}],"references":[{"url":"https://support.zabbix.com/browse/ZBX-28194","source":"security@zabbix.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-59783","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}