{"id":"CVE-2019-16338","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-16338","generatedAt":"2026-10-27T23:26:08.621Z","title":"The tfo_common component in HwordApp.dll in Hancom Office 9.6.1.7634 allows a use-after-free via a crafted .docx file.","description":"The tfo_common component in HwordApp.dll in Hancom Office 9.6.1.7634 allows a use-after-free via a crafted .docx file.","published":"2020-03-19T18:15:14.000Z","lastModified":"2026-06-17T02:22:09.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["hancom/hancom office neo"],"epss":{"score":0.01033,"percentile":0.63556,"date":"2026-10-26","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 (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://help.hancom.com/update_en_multilang/details/HOfficeNEO_update.htm","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://starlabs.sg/advisories/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://help.hancom.com/update_en_multilang/details/HOfficeNEO_update.htm","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://starlabs.sg/advisories/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-16338","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."}