{"id":"CVE-2018-12086","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-12086","generatedAt":"2026-10-28T23:57:33.695Z","title":"Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.","description":"Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.","published":"2018-09-14T21:29:04.000Z","lastModified":"2026-06-17T01:37:08.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-787"],"affected":["opcfoundation/unified architecture-.net-legacy","opcfoundation/unified architecture-java","opcfoundation/unified architecture .net-standard","opcfoundation/unified architecture ansic","debian/debian linux"],"epss":{"score":0.11809,"percentile":0.96062,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.0898,"percentile":0.95091},{"date":"2026-09-22","score":0.11591,"percentile":0.95844}]},"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 11.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.11591,"from":0.0898,"percentile":0.95844},"summary":"EPSS moved from 9.0% to 11.6% probability of exploitation in the next thirty days."}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/105538","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1041909","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdf","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2018/dsa-4359","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/105538","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041909","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12086.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4359","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-12086","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."}