CVE-2018-3940

moderate-risk
Published 2018-10-08

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.

Do I need to act?

~
7.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Foxitsoftware

References (5)

Third Party Advisory http://www.securitytracker.com/id/1041769
Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2018-0607
Vendor Advisory https://www.foxitsoftware.com/support/security-bulletins.php
Third Party Advisory http://www.securitytracker.com/id/1041769
Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2018-0607
47
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 10/34 · Low
Exposure 7/34 · Low