CVE-2023-34308: Ashlar Graphite

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

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. . Was ZDI-CAN-18913.

Affected products

• Ashlar Graphite: version 13.0.46 only

Published 2024-05-03. Last modified 2026-06-17.