CVE-2025-7978CWE-457

CVE-2025-7978

High · published September 18, 2025

CVSS v3.0
7.8
EPSS
0%
Percentile
13.4
In the wild
Unconfirmed
What it is

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. Was ZDI-CAN-25459.

The record
Technical detail
CVSS v3.0
7.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00234 · 13.4th percentile
Weakness
CWE-457 · Use of Uninitialized Variable
Published
2025-09-18T01:15Z
Affected products (1)
ProductVersionsFixed in
ashlar/graphiteall versions—
References (1)
EPSS history
Timeline
  • 17 SEP 20:51Z
    Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability
    cvelistv5