ZDI-CAN-25862: ZDI-25-644: (0Day) Ashlar-Vellum Graphite VC6 File Parsing Out-Of-Bounds Write 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 validation of user-supplied data, which can result in a write past the end of an allocated buffer. 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-2025-7988.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25862?
The severity of ZDI-CAN-25862 is high due to the potential for remote code execution.
How do I fix ZDI-CAN-25862?
To fix ZDI-CAN-25862, ensure that you update Ashlar-Vellum Graphite to the latest version provided by the vendor.
Who is affected by ZDI-CAN-25862?
ZDI-CAN-25862 affects users of Ashlar-Vellum Graphite installations that have not been updated.
What type of attack does ZDI-CAN-25862 involve?
ZDI-CAN-25862 involves remote code execution attacks that require user interaction to exploit.
What are the potential consequences of ZDI-CAN-25862?
The potential consequences of ZDI-CAN-25862 include unauthorized control of the affected system and data compromise.