ZDI-CAN-25434: ZDI-25-068: PDF-XChange Editor JB2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
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 JB2 files. The issue results from the lack of proper validation of user-supplied data, which can result in 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.
Other sources
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 ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2025-0906.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25434?
The severity of ZDI-CAN-25434 is high as it allows remote attackers to disclose sensitive information.
How do I fix ZDI-CAN-25434?
To fix ZDI-CAN-25434, ensure that you are using the latest version of PDF-XChange Editor with the security patches applied.
What is the impact of ZDI-CAN-25434?
The impact of ZDI-CAN-25434 is the potential disclosure of sensitive information if a user interacts with malicious content.
What kind of attack vector does ZDI-CAN-25434 use?
ZDI-CAN-25434 exploits a vulnerability that requires user interaction by visiting a malicious page or opening a malicious file.
Who is affected by ZDI-CAN-25434?
Users of PDF-XChange Editor who fail to update their software to the secure version are at risk from ZDI-CAN-25434.