CVE-2018-3941 is a high-severity use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096 and Foxit PhantomPDF. This flaw allows an attacker to achieve arbitrary code execution by crafting a malicious PDF document that reuses a previously freed object in memory. The vulnerability has a CVSS score of 8.8 (HIGH), indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability, requiring user interaction to exploit. While no public exploit code (Metasploit, Nuclei, ExploitDB) is available and it is not listed in CISA's KEV catalog, there has been some community discussion and media coverage, including a BleepingComputer article detailing a security update that addressed this and other vulnerabilities.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 9.2.0.9297CPE matchmatch criteria | cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:* | ||
<= 9.2.0.9297CPE matchmatch criteria | cpe:2.3:a:foxitsoftware:reader:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.