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CVE-2018-6638

CRITICALCVSS 9.8/10EPSS 4.01%

Last modified

CVE-2018-6638 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 4.01% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
4.01%

89.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WirisMathtype6.9c

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-6638?
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.
How severe is CVE-2018-6638?
CVE-2018-6638 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.01% probability of exploitation in the next 30 days.
How do I fix CVE-2018-6638?
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.

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Source: NVD / NIST