Use After Free in Hancom Office Neo

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.

Vulnerability class: Use-After-Free

EPSS: 0.010 (60.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Hancom Hancom_office_neo — versions 9.6.1.7634
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-16338?: CVE-2019-16338 is a high-severity vulnerability in Hancom Office Neo, classified under Use After Free. CVSS score: 7.8/10. Published 2020-03-19.
How severe is CVE-2019-16338?: High severity. CVSS v3 base score is 7.8 out of 10.