ZDI-CAN-25475: ZDI-25-634: (0Day) Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Graphite. 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 VC6 files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Graphite. 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 7.8. The following CVEs are assigned: CVE-2025-7981.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25475?
The severity of ZDI-CAN-25475 is critical due to the potential for remote code execution.
How do I fix ZDI-CAN-25475?
To fix ZDI-CAN-25475, ensure you update Ashlar-Vellum Graphite to the latest version provided by the vendor.
What are the potential impacts of ZDI-CAN-25475?
The potential impacts of ZDI-CAN-25475 include unauthorized access, data theft, and compromise of system integrity.
Who is affected by ZDI-CAN-25475?
Users of Ashlar-Vellum Graphite are affected by ZDI-CAN-25475 if their installations are not updated.
What is required to exploit ZDI-CAN-25475?
Exploitation of ZDI-CAN-25475 requires user interaction, such as visiting a malicious page or opening a malicious file.