CVE-2022-42391 Memory corruption in PDF-XChange Editor
Remote attackers can disclose sensitive information and potentially execute arbitrary code via crafted U3D files in PDF-XChange Editor.
- 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-2022-42391?
CVE-2022-42391 is a low-severity memory corruption vulnerability in Pdf-Xchange Pdf-Xchange Editor, published on 26 Jan 2023. 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
This vulnerability allows remote attackers to disclose sensitive information 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 parsing of U3D files. Crafted data in a U3D file can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18660.
Weakness: CWE-125
Which versions are affected by CVE-2022-42391?
It affects 1 product.
Products include Pdf-Xchange Pdf-Xchange Editor.
How do I fix CVE-2022-42391?
No fix has been published for CVE-2022-42391 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-2022-42391 being exploited?
There is no known exploitation of CVE-2022-42391 in the wild and no public exploit code.
Other vulnerabilities in Pdf-Xchange Pdf-Xchange Editor
- CVE-2025-0899 PDF-XChange Editor AcroForm Use-After-Free Remote Code Execution Vulnerability
- CVE-2025-0901 PDF-XChange Editor Doc Object Out-Of-Bounds Read Remote Code Execution Vulnerability
- CVE-2025-0903 PDF-XChange Editor RTF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2025-0910 PDF-XChange Editor U3D File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
- CVE-2024-7352 PDF-XChange Editor PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Sources
Also known as GHSA-ff96-q628-f339.