ZDI-25-632: (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-2025-7978.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-632?
ZDI-25-632 has a high severity rating due to its potential to allow remote code execution.
How do I fix ZDI-25-632?
To mitigate ZDI-25-632, users should apply the latest security patches provided by Ashlar-Vellum.
What software is affected by ZDI-25-632?
ZDI-25-632 affects Ashlar-Vellum Graphite installations.
What is the exploit requirement for ZDI-25-632?
Exploitation of ZDI-25-632 requires user interaction, such as visiting a malicious webpage or opening a harmful file.
What can attackers achieve with ZDI-25-632?
Attackers can execute arbitrary code on affected installations through ZDI-25-632.