CVE-2023-42074 PDF-XChange Editor addScript Type Confusion Remote Code Execution Vulnerability
Remote attackers can execute arbitrary code via type confusion in the addScript method when users open malicious files or visit malicious pages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-42074?
CVE-2023-42074 is a high-severity memory corruption vulnerability in Pdf-Xchange Pdf-Tools, published on 3 May 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
PDF-XChange Editor addScript Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the implementation of the addScript method. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21338.
Weakness: CWE-843
Which versions are affected by CVE-2023-42074?
It affects 2 products.
Products include Pdf-Xchange Pdf-Tools, Pdf-Xchange Pdf-Xchange Editor.
How do I fix CVE-2023-42074?
No fix has been published for CVE-2023-42074 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-42074 being exploited?
There is no known exploitation of CVE-2023-42074 in the wild and no public exploit code.
Other vulnerabilities in Pdf-Xchange Pdf-Tools
- CVE-2025-6640 PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability
- CVE-2025-6642 PDF-XChange Editor U3D File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
- CVE-2025-6644 PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability
- CVE-2025-6645 PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability
- CVE-2025-6647 PDF-XChange Editor U3D File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Sources
Also known as GHSA-fx24-3wfx-rxhc.