Foxit Reader Plugin version 2.2.1.530, bundled with Foxit Reader 5.4.4.11281, contains a stack-based buffer overflow vulnerability in the npFoxitReaderPlugin.dll module. When a PDF file is loaded from a remote host, an overly long query string in the URL can overflow a buffer, allowing remote attackers to execute arbitrary code.
https://www.vulncheck.com/advisories/foxit-reader-plugin-url-processing-buffer-overflow
https://www.tenable.com/plugins/nessus/64094
https://www.exploit-db.com/exploits/24502
Published: 2025-08-05
Updated: 2025-08-05
Base Score: 8.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 9.4
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Severity: Critical
EPSS: 0.00256