CRITICAL
A stack-based buffer overflow (Remote Code Execution) issue was discovered in Design Science MathType 6.9c
Published Feb 28, 2018
9.8
CRITICALCVSS 3.1
EPSS 3.92%
Description
A stack-based buffer overflow (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. This occurs in a function call in which the first argument is a corrupted offset value and the second argument is a stack buffer. This is fixed in 6.9d.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.92% 0.03919
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03919
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.92% (0.03919) | 90.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.01% (0.04007) | 89.19th | v5 (v2026.06.15) |
| Mar 30, 2025 | 6.94% (0.06936) | 90.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 15.95% (0.15951) | 91.31th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.53% (0.06526) | 90.43th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.44% (0.02444) | 89.69th | v3 (v2023.03.01) |
| Dec 12, 2024 | 3.96% (0.03962) | 92.36th | v3 (v2023.03.01) |
| Jun 3, 2024 | 3.26% (0.03263) | 91.25th | v3 (v2023.03.01) |
| Mar 15, 2024 | 2.38% (0.02385) | 89.60th | v3 (v2023.03.01) |
| Feb 8, 2024 | 2.11% (0.02109) | 88.79th | v3 (v2023.03.01) |
| Jan 8, 2024 | 1.91% (0.01907) | 87.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.35% (0.01347) | 84.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02166) | 80.16th | v2 (v2022.01.01) |
| Nov 25, 2022 | 2.17% (0.02166) | 79.55th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.98% (0.01978) | 77.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.98% (0.01978) | 56.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.37% (0.01374) | 32.00th | v1 |
| Jan 6, 2022 | 1.37% (0.01374) | 31.26th | v1 |
| Sep 1, 2021 | 1.37% (0.01374) | 70.79th | v1 |
| Apr 14, 2021 | 1.37% (0.01374) | 0.00th | v1 |
Weaknesses (1)
References (2)
- http://www.dessci.com/en/dl/ x_refsource_MISCProductVendor Advisory
- https://drive.google.com/open?id=1V-AA1InXBPhgJviabilttkaP4DYay9f6 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.dessci.com/en/dl/ | x_refsource_MISCProductVendor Advisory | |
| https://drive.google.com/open?id=1V-AA1InXBPhgJviabilttkaP4DYay9f6 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 28, 2018
Updated Aug 5, 2024
Reserved Feb 5, 2018
Link CVE-2018-6638
CISA Vulnrichment
Updated n/a