An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902
Published May 24, 2017
8.8
HIGHCVSS 3.0
EPSS 1.66%
Description
An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.
Affected products
-
- Version 9.6.1.4902StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Hancom | Hangul Word Processor in Thinkfree Office NEO Trial Word | n/a |
|
- 9.6.1.4350
- 9.6.1.4902
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.66% (0.01664) | 75.89th | v5 (v2026.06.15) |
| Aug 23, 2026 | 2.50% (0.02499) | 83.38th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00144) | 50.77th | v3 (v2023.03.01) |
| Dec 26, 2023 | 0.14% (0.00144) | 50.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00133) | 46.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.52% (0.01525) | 73.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.04% (0.01036) | 20.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.73% (0.00731) | 20.40th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.73% (0.00731) | 0.00th | v1 |
References (1)
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0320 x_refsource_MISCExploitThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2017-0320 | x_refsource_MISCExploitThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.