ZDI-25-631: (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-2025-7980.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-631?
The severity of ZDI-25-631 is rated high due to its ability to allow remote code execution.
How do I fix ZDI-25-631?
To fix ZDI-25-631, you should update Ashlar-Vellum Graphite to the latest version as provided by the vendor.
What products are affected by ZDI-25-631?
ZDI-25-631 affects the Ashlar-Vellum Graphite product.
Is user interaction required to exploit ZDI-25-631?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit ZDI-25-631.
What type of attack does ZDI-25-631 enable?
ZDI-25-631 enables remote attackers to execute arbitrary code on affected installations.