Heap-based Buffer Overflow in Ashlar-Vellum Graphite VC6 File Parsing
CVE-2025-7983

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Graphite
Vendor
CVE Published:
17 September 2025

What is CVE-2025-7983?

A heap-based buffer overflow vulnerability exists in Ashlar-Vellum Graphite during the parsing of VC6 files. The flaw occurs due to inadequate validation of the length of user-supplied data, which can lead to arbitrary code execution on the affected systems. Remote attackers can exploit this vulnerability if the target user visits a malicious page or opens a specially crafted file. This highlights the importance of stringent input validation mechanisms to safeguard against such exploitation attempts.

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Affected Version(s)

Graphite 13_SE_13048

References

https://www.zerodayinitiative.com/advisories/ZDI-25-635/
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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