CVE-2019-11839

Public Exploit

Description

njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in Array.prototype.push after a resize, related to njs_array_prototype_push in njs/njs_array.c, because of njs_array_expand size mishandling.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
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/nginx/njs/issues/152 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-11839?
CVE-2019-11839 has been scored as a critical severity vulnerability.
How to fix CVE-2019-11839?
To fix CVE-2019-11839, 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-2019-11839 being actively exploited in the wild?
It is possible that CVE-2019-11839 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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