CVE-2018-3945

Name: CVE-2018-3945
Creator: NVD / NIST
Published: 2018-10-08T16:29:02.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.20%

Last modified Jun 17, 2026

CVE-2018-3945 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader version 9.1.0.5096. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. EPSS estimates a 3.20% chance of exploitation in the next 30 days.

Description

An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader version 9.1.0.5096. 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.

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

3.20%

86.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Foxitsoftware	Phantompdf	<= 9.2.0.9297
Foxitsoftware	Reader	<= 9.2.0.9297

References

http://www.securitytracker.com/id/1041769Third Party Advisory, VDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0612Exploit, Third Party Advisory
https://www.foxitsoftware.com/support/security-bulletins.phpPatch, Vendor Advisory
http://www.securitytracker.com/id/1041769Third Party Advisory, VDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0612Exploit, Third Party Advisory

Timeline

Published: Oct 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3945?

How severe is CVE-2018-3945?

CVE-2018-3945 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.20% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3945?

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-2018-3945?

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

Scan your code now

Source: NVD / NIST