What is the severity of ZDI-25-118?

The severity of ZDI-25-118 is categorized as high due to its potential for remote code execution.

How do I fix ZDI-25-118?

To fix ZDI-25-118, update your Ashlar-Vellum Cobalt software to the latest version as provided by the vendor.

What impact does ZDI-25-118 have on affected systems?

ZDI-25-118 allows remote attackers to execute arbitrary code, which can lead to unauthorized access or control over the affected systems.

Is user interaction required to exploit ZDI-25-118?

Yes, user interaction is required for ZDI-25-118, as the target must visit a malicious page or open a malicious file.

Which versions of Ashlar-Vellum Cobalt are affected by ZDI-25-118?

ZDI-25-118 affects all versions of Ashlar-Vellum Cobalt that have not been patched.

Vulnerability/
ZDI-25-118

high

7.8

10/3/2025

11/3/2025

ZDI-25-118: (0Day) Ashlar-Vellum Cobalt VS File Parsing Type Confusion Remote Code Execution Vulnerability

First published: Mon Mar 10 2025(Updated: )

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 VS files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software	Affected Version	How to fix
Ashlar-Vellum Cobalt
Ashlar-Vellum Cobalt

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Frequently Asked Questions

What is the severity of ZDI-25-118?
The severity of ZDI-25-118 is categorized as high due to its potential for remote code execution.
How do I fix ZDI-25-118?
To fix ZDI-25-118, update your Ashlar-Vellum Cobalt software to the latest version as provided by the vendor.
What impact does ZDI-25-118 have on affected systems?
ZDI-25-118 allows remote attackers to execute arbitrary code, which can lead to unauthorized access or control over the affected systems.
Is user interaction required to exploit ZDI-25-118?
Yes, user interaction is required for ZDI-25-118, as the target must visit a malicious page or open a malicious file.
Which versions of Ashlar-Vellum Cobalt are affected by ZDI-25-118?
ZDI-25-118 affects all versions of Ashlar-Vellum Cobalt that have not been patched.

collector/zdi-published
source/ZDI
alias/ZDI-CAN-25245
agent/last-modified-date
agent/title
agent/source
agent/type
agent/first-publish-date
agent/guess-ai
agent/software-canonical-lookup
collector/zdi-advisory
alias/ZDI-25-118
alias/CVE-2025-2018
agent/references
agent/severity
agent/tags
agent/softwarecombine
agent/description
agent/event
vendor/ashlar-vellum
canonical/ashlar-vellum cobalt

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