Home

Description

Ashlar-Vellum Graphite VC6 File Parsing Stack-based Buffer Overflow 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 the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25463.

PUBLISHED Reserved 2025-07-21 | Published 2025-09-17 | Updated 2025-09-18 | Assigner zdi




HIGH: 7.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-121: Stack-based Buffer Overflow

Product status

Default status
unknown

13_SE_13048
affected

References

www.zerodayinitiative.com/advisories/ZDI-25-633/ (ZDI-25-633)

cve.org (CVE-2025-7979)

nvd.nist.gov (CVE-2025-7979)

Download JSON