{"id":"CVE-2023-31419","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-31419","generatedAt":"2026-11-04T22:54:59.714Z","title":"A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.","description":"A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.","published":"2023-10-26T18:15:09.000Z","lastModified":"2026-06-17T05:56:55.000Z","status":"Modified","sourceIdentifier":"security@elastic.co","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-121","CWE-787"],"affected":["elastic/elasticsearch"],"epss":{"score":0.61069,"percentile":0.99159,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 61.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-9-1-7-17-13-security-update/343297","tags":["Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://security.netapp.com/advisory/ntap-20231116-0010/","tags":["Third Party Advisory"],"source":"security@elastic.co"},{"url":"https://www.elastic.co/community/security","tags":["Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://discuss.elastic.co/t/elasticsearch-8-9-1-7-17-13-security-update/343297","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20231116-0010/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.elastic.co/community/security","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-31419","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."}