Out-Of-Bounds Write Remote Code Execution in Ashlar-Vellum Graphite
CVE-2025-7987

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Graphite
Vendor
CVE Published:
17 September 2025

What is CVE-2025-7987?

A vulnerability exists in Ashlar-Vellum Graphite's VC6 file parsing mechanism. Insufficient validation of user-provided data can lead to an out-of-bounds write, enabling remote attackers to execute arbitrary code on impacted systems. Exploitation requires user interaction, such as visiting a malicious webpage or opening a compromised file, allowing an attacker to run code within the context of the current process.

Affected Version(s)

Graphite 13.0

References

https://www.zerodayinitiative.com/advisories/ZDI-25-641/
x_research-advisory

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-7987 : Out-Of-Bounds Write Remote Code Execution in Ashlar-Vellum Graphite