What’s Vulnerable › Vulnerabilities

CVE-2018-3940

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-10-08 · updated 2026-06-17
• Weakness: CWE-416

Description

An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 9.1.0.5096. A specially crafted PDF document can trigger a previously freed object in memory to be reused. An attacker needs to trick the user to open the malicious file to trigger.

Affected products

• Foxit PhantomPDF: through 9.2.0.9297
• Foxit Reader: through 9.2.0.9297

References

• http://www.securitytracker.com/id/1041769
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0607
• https://www.foxitsoftware.com/support/security-bulletins.php
• http://www.securitytracker.com/id/1041769
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0607

Get alerted when CVE-2018-3940 or the next vulnerability affects your stack