CVE-2025-65088: Out-of-bounds read in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share

Published May 12, 2026
·
Updated

An Out-of-Bounds Read vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions 12.6.1204.216 and prior that could allow an attacker to disclose information or execute arbitrary code when a specially crafted VC6 file is being parsed.

Affected Software

10 affected components
Ashlar-Vellum Cobalt<=12.6.1204.216
Ashlar-Vellum Xenon<=12.6.1204.216
Ashlar-Vellum Argon<=12.6.1204.216
Ashlar-Vellum Lithium<=12.6.1204.216
Ashlar-Vellum Cobalt Share<=12.6.1204.216
Ashlar Argon<=12.6.1204.216
Ashlar Cobalt<=12.6.1204.216
Ashlar Cobalt Share<=12.6.1204.216
Ashlar Lithium<=12.6.1204.216
Ashlar Xenon<=12.6.1204.216

Remediation

Information

Ashlar-Vellum recommends users update to build 12.6.1204.217 and later.

Event History

May 12, 2026
CVE Published
via MITRE·08:27 PM
Data Sourced
via MITRE·08:27 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-65088?

CVE-2025-65088 is considered a high severity vulnerability due to its potential to disclose sensitive information.

2

How do I fix CVE-2025-65088?

To fix CVE-2025-65088, update Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, or Cobalt Share to versions later than 12.6.1204.216.

3

What products are affected by CVE-2025-65088?

CVE-2025-65088 affects Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions up to 12.6.1204.216.

4

What can an attacker do with CVE-2025-65088?

An attacker exploiting CVE-2025-65088 could disclose sensitive information or execute arbitrary code on affected systems.

5

Is there a workaround for CVE-2025-65088 until I can apply the fix?

There are no documented workarounds for CVE-2025-65088, so upgrading to a fixed version is recommended.

Contact

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