CVE-2018-3939 is a critical use-after-free vulnerability in Foxit PDF Reader (version 9.1.0.5096) and PhantomPDF, affecting Windows. A specially crafted PDF can trigger arbitrary code execution, requiring user interaction to open the file or visit a malicious website if the browser plugin is enabled. With a CVSS score of 8.8 (High), this vulnerability allows for complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high FAUCET Risk Score of 97/100 indicates significant potential risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 9.1.0.5096CPE matchmatch criteria | cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:* | ||
<= 9.1.0.5096CPE matchmatch criteria | cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:* |
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.
No media coverage found for this CVE.
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.