CVE-2018-3842

Name: CVE-2018-3842
Creator: NVD / NIST
Published: 2018-04-19T19:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.22%

Last modified Jun 17, 2026

CVE-2018-3842 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An exploitable use of an uninitialized pointer vulnerability exists in the JavaScript engine in Foxit PDF Reader version 9.0.1.1049. A specially crafted PDF document can lead to a dereference of an uninitialized pointer which, if under attacker control, can result in arbitrary code execution. EPSS estimates a 3.22% chance of exploitation in the next 30 days.

Description

An exploitable use of an uninitialized pointer vulnerability exists in the JavaScript engine in Foxit PDF Reader version 9.0.1.1049. A specially crafted PDF document can lead to a dereference of an uninitialized pointer which, if under attacker control, can result in arbitrary code execution. An attacker needs to trick the user to open a malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

3.22%

86.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-824

Affected Software

Vendor	Product	Versions
Foxitsoftware	Foxit Reader	9.0.1.1049

References

http://www.securityfocus.com/bid/103942Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040733Broken Link, Third Party Advisory, VDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0525Exploit, Third Party Advisory
http://www.securityfocus.com/bid/103942Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040733Broken Link, Third Party Advisory, VDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0525Exploit, Third Party Advisory

Timeline

Published: Apr 19, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3842?

How severe is CVE-2018-3842?

CVE-2018-3842 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.22% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3842?

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.

Are you affected by CVE-2018-3842?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST