CVE-2025-7996
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-17

Last updated on: 2025-09-22

Assigner: Zero Day Initiative

Description
Ashlar-Vellum Cobalt AR 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 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 AR 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 data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25982.
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Meta Information
Published
2025-09-17
Last Modified
2025-09-22
Generated
2026-05-07
AI Q&A
2025-09-17
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
ashlar cobalt *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a remote code execution flaw in Ashlar-Vellum Cobalt related to how AR files are parsed. It occurs because the software does not properly validate user-supplied data, leading to an out-of-bounds write past the end of an allocated data structure. An attacker can exploit this by tricking a user into opening a malicious file or visiting a malicious page, allowing the attacker to execute arbitrary code within the context of the affected process.


How can this vulnerability impact me? :

If exploited, this vulnerability can allow an attacker to execute arbitrary code on your system with the privileges of the affected application. This could lead to unauthorized actions such as data theft, system compromise, or further malware installation. Since user interaction is required, the risk depends on users opening malicious files or visiting malicious pages.


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