CVE-2025-7998: (0Day) Ashlar-Vellum Cobalt CO File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Sep 17, 2025
·
Updated

Ashlar-Vellum Cobalt CO 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 CO 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-26046.

Affected Software

3 affected components
Ashlar-Vellum Cobalt
Ashlar-Vellum Cobalt
Ashlar Cobalt

Event History

Sep 17, 2025
CVE Published
via MITRE·08:52 PM
Data Sourced
via MITRE·08:52 PM
DescriptionSeverityWeakness
Advisory Published
via ZDI·09:02 PM
Data Sourced
via ZDI·09:02 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-7998?

The severity of CVE-2025-7998 is critical due to its potential for remote code execution.

2

How do I fix CVE-2025-7998?

To fix CVE-2025-7998, ensure that you update Ashlar-Vellum Cobalt to the latest version provided by the vendor.

3

What types of attacks can be performed using CVE-2025-7998?

CVE-2025-7998 allows remote attackers to execute arbitrary code on affected installations, leading to full system compromise.

4

What are the affected versions for CVE-2025-7998?

CVE-2025-7998 affects all installations of Ashlar-Vellum Cobalt that have not applied security updates.

5

Is user interaction required to exploit CVE-2025-7998?

Yes, user interaction is required to exploit CVE-2025-7998, as the vulnerability is triggered through specific file parsing.

Contact

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