{"id":"CVE-2018-6639","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-6639","generatedAt":"2026-10-28T20:07:48.856Z","title":"An out-of-bounds write (Remote Code Execution) issue was discovered in Design Science MathType 6.9c.","description":"An out-of-bounds write (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. A size used by memmove is read from the input file. This is fixed in 6.9d.","published":"2018-02-28T05:29:00.000Z","lastModified":"2026-06-17T02:02:08.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["wiris/mathtype"],"epss":{"score":0.03612,"percentile":0.89429,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.dessci.com/en/dl/","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://drive.google.com/open?id=175_n6KhbOUlu9l0ySw-8QYk0oQbAaoZV","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.dessci.com/en/dl/","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://drive.google.com/open?id=175_n6KhbOUlu9l0ySw-8QYk0oQbAaoZV","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6639","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."}