Remote Code Execution Vulnerability in Ashlar-Vellum Cobalt AR File Parsing
CVE-2025-7994

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Cobalt
Vendor
CVE Published:
17 September 2025

What is CVE-2025-7994?

An Out-Of-Bounds Read vulnerability exists in Ashlar-Vellum Cobalt due to inadequate validation of user-supplied data during AR file parsing. This flaw can be exploited by remote attackers to execute arbitrary code by convincing a user to visit a malicious webpage or open a specially crafted file. The attack results in unauthorized access within the context of the current process, potentially leading to severe security breaches.

Affected Version(s)

Cobalt 12 SP1

References

https://www.zerodayinitiative.com/advisories/ZDI-25-714/
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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CVE-2025-7994 : Remote Code Execution Vulnerability in Ashlar-Vellum Cobalt AR File Parsing