CVE-2018-3850

Name: CVE-2018-3850
Creator: NVD / NIST
Published: 2018-04-23T15:29:00.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.91%

Last modified Jun 17, 2026

CVE-2018-3850 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An exploitable use-after-free vulnerability exists in the JavaScript engine Foxit Software Foxit PDF Reader version 9.0.1.1049. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. EPSS estimates a 2.91% chance of exploitation in the next 30 days.

Description

An exploitable use-after-free vulnerability exists in the JavaScript engine Foxit Software Foxit PDF Reader version 9.0.1.1049. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If a 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

2.91%

85.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Foxit	Pdf Reader	9.0.1.1049

References

http://www.securityfocus.com/bid/103942Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040733Third Party Advisory, VDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0532Third Party Advisory
http://www.securityfocus.com/bid/103942Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040733Third Party Advisory, VDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0532Third Party Advisory

Timeline

Published: Apr 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3850?

How severe is CVE-2018-3850?

CVE-2018-3850 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.91% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3850?

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-2018-3850?

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

Scan your code now

Source: NVD / NIST