CVE-2019-16338
HIGHCVSS 7.8/10EPSS 1.03%
Last modified
CVE-2019-16338 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The tfo_common component in HwordApp.dll in Hancom Office 9.6.1.7634 allows a use-after-free via a crafted .docx file.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hancom | Hancom Office Neo | 9.6.1.7634 |
References
- http://help.hancom.com/update_en_multilang/details/HOfficeNEO_update.htmRelease Notes, Vendor Advisory
- https://starlabs.sg/advisories/Exploit, Third Party Advisory
- http://help.hancom.com/update_en_multilang/details/HOfficeNEO_update.htmRelease Notes, Vendor Advisory
- https://starlabs.sg/advisories/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16338?
The tfo_common component in HwordApp.dll in Hancom Office 9.6.1.7634 allows a use-after-free via a crafted .docx file.
How severe is CVE-2019-16338?
CVE-2019-16338 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16338?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-16338?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST