CVE-2025-7985 Details
Description
Ashlar-Vellum Cobalt VC6 File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. 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 an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25704.
A remote code execution vulnerability has been identified in Ashlar-Vellum Cobalt, specifically within the VC6 file parsing process. This issue arises from improper validation of user-supplied data, allowing for an integer overflow that occurs before buffer allocation. As a result, an attacker can execute arbitrary code in the context of the current process. Exploitation of this vulnerability requires user interaction, such as opening a malicious file or visiting a harmful webpage.
Due to the nature of this vulnerability, the primary recommendation is to limit interactions with the product.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 18, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-25-637/ | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-190 | Integer Overflow or Wraparound | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ashlar cobalt | 12.2.1204.96 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 26, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Sep 22, 2025 | Initial Analysis | [email protected] |
| Sep 17, 2025 | New CVE Received | [email protected] |