HTTP: Foxit Reader Multiple Use After Free
This signature detects attempts to exploit a known vulnerability against Foxit Reader. A successful attack can lead to arbitrary code execution.
Extended Description
A use-after-free vulnerability exists in the JavaScript engine of Foxit Softwares PDF Reader, version 12.1.2.15332. By prematurely deleting objects associated with pages, a specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Affected Products
Foxit pdf_reader
References
CVE: CVE-2025-58085
Short Name
HTTP:STC:FOXIT-READER-MUL-UAF
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
After CVE-2023-27379 CVE-2023-32664 CVE-2023-33866 CVE-2023-33876 CVE-2025-58085 CVE-2026-3779 Foxit Free Multiple Reader Use
Release Date
08/16/2023
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3922
False Positive
Unknown
Vendors
Foxit