CVE-2022-42393: PDF-XChange Editor U3D File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Published Jan 26, 2023
·
Updated

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.

Affected Software

3 affected components
Tracker-software Pdf-xchange Editor<9.5.366.0
PDF-XChange PDF-XChange Editor
PDF-XChange PDF-XChange Editor<9.5.366.0

Event History

Jan 26, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Mar 25, 2025
Advisory Published
via ZDI·12:47 AM

Frequently Asked Questions

1

What is the severity of CVE-2022-42393?

CVE-2022-42393 is classified as a medium-severity vulnerability due to its potential for information disclosure.

2

How do I fix CVE-2022-42393?

To fix CVE-2022-42393, update PDF-XChange Editor to version 9.5.366.1 or later.

3

What type of attacks are possible with CVE-2022-42393?

CVE-2022-42393 allows remote attackers to disclose sensitive information if a user interacts with a malicious page or file.

4

Who is affected by CVE-2022-42393?

CVE-2022-42393 affects all installations of PDF-XChange Editor prior to version 9.5.366.1.

5

Is user interaction required to exploit CVE-2022-42393?

Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit CVE-2022-42393.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203