CVE-2018-6638

CRITICAL 9.8CVE-2018-6638 · Published 28/02/2018 · updated 17/06/2026

In short

CVE-2018-6638 is a CRITICAL (CVSS 9.8) vulnerability affecting mathtype (wiris).
Chance of exploitation in the next 30 days (EPSS): 3.9%, higher than 90.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mathtype wiris	`= 6.9c`	No fix yet

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.

References

dessci.com/en/dl · Product
drive.google.com/open · Exploit

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