CVE-2025-7993: (0Day) Ashlar-Vellum Cobalt LI File Parsing Use-After-Free Remote Code Execution Vulnerability

Published Sep 17, 2025
·
Updated

Ashlar-Vellum Cobalt LI File Parsing Use-After-Free 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 LI files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25355.

Affected Software

3 affected components
Ashlar-Vellum Cobalt
Ashlar-Vellum Cobalt
Ashlar Cobalt=12.0.1204.91

Event History

Sep 17, 2025
CVE Published
via MITRE·08:53 PM
Data Sourced
via MITRE·08:53 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-2025-7993?

CVE-2025-7993 is classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-7993?

To mitigate CVE-2025-7993, ensure that you apply the latest security patches provided by Ashlar-Vellum for the Cobalt software.

3

What type of attack does CVE-2025-7993 enable?

CVE-2025-7993 allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt.

4

Is user interaction required to exploit CVE-2025-7993?

Yes, user interaction is required to exploit CVE-2025-7993 as the attacker needs the user to open a specially crafted file.

5

What are the affected products in CVE-2025-7993?

CVE-2025-7993 affects installations of Ashlar-Vellum Cobalt that are not updated with the latest security measures.

Contact

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