CVE-2019-16366

Public Exploit

Description

In XS 9.0.0 in Moddable SDK OS180329, there is a heap-based buffer overflow in fxBeginHost in xsAPI.c when called from fxRunDefine in xsRun.c, as demonstrated by crafted JavaScript code to xst.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Moddable-OpenSource/moddable/issues/235 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-16366?
CVE-2019-16366 has been scored as a critical severity vulnerability.
How to fix CVE-2019-16366?
To fix CVE-2019-16366, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16366 being actively exploited in the wild?
It is possible that CVE-2019-16366 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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