Heap-based Buffer Overflow in Ashlar-Vellum Cobalt and Related Products
CVE-2025-52584

8.4HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Cobalt
Xen Projecton
Argon
Lithium
Vendor
CVE Published:
18 August 2025

What is CVE-2025-52584?

In several Ashlar-Vellum applications, including Cobalt, Xenon, Argon, Lithium, and Cobalt Share, versions released prior to 12.6.1204.204, there is an inadequacy in the validation of user-supplied data during the parsing of XE files. This flaw creates a potential for a heap-based buffer overflow, enabling attackers to exploit the vulnerability and execute arbitrary code in the context of the current process, thereby compromising the security and integrity of the applications.

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Affected Version(s)

Argon 0 < 12.6.1204.204

Cobalt 0 < 12.6.1204.204

Cobalt Share 0 < 12.6.1204.204

References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-2...

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael Heinzl reported these vulnerabilities to CISA.
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