ZDI-25-070: PDF-XChange Editor RTF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
First published: Fri Jan 31 2025(Updated: )
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 parsing of RTF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PDF-XChange Editor |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-25-070?
ZDI-25-070 has a critical severity level due to its potential for remote code execution.
How do I fix ZDI-25-070?
To fix ZDI-25-070, ensure you update your PDF-XChange Editor to the latest version provided by Tracker Software.
What type of attacks can exploit ZDI-25-070?
ZDI-25-070 can be exploited through malicious pages or files requiring user interaction.
What software is affected by ZDI-25-070?
ZDI-25-070 affects installations of PDF-XChange Editor by Tracker Software.
Is user interaction needed to exploit ZDI-25-070?
Yes, user interaction is required as the victim must either visit a malicious page or open a compromised file.
- collector/zdi-published
- source/ZDI
- alias/ZDI-CAN-25421
- agent/first-publish-date
- agent/type
- agent/last-modified-date
- agent/title
- agent/source
- collector/zdi-advisory
- alias/ZDI-25-070
- alias/CVE-2025-0903
- agent/references
- agent/severity
- agent/softwarecombine
- agent/description
- agent/event
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/pdf-xchange
- vendor/tracker software
- canonical/pdf-xchange editor