Type Confusion Vulnerability in Ashlar-Vellum Cobalt File Parsing
CVE-2025-7999

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Cobalt
Vendor
CVE Published:
17 September 2025

What is CVE-2025-7999?

The vulnerability in Ashlar-Vellum Cobalt's AR file parsing arises from insufficient validation of user-supplied data, leading to a type confusion condition. Attackers can exploit this flaw by enticing users to open a malicious file or visit a harmful webpage, allowing them to execute arbitrary code within the affected system. As a result, the security and integrity of the user’s environment could be compromised, making it imperative for users to follow best practices for file handling and software updates.

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Affected Version(s)

Cobalt 12 SP1

References

https://www.zerodayinitiative.com/advisories/ZDI-25-713/
x_research-advisory

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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