Ashlar-Vellum Products Out-of-Bounds Write Vulnerability Allowing Arbitrary Code Execution

Vulnerability

A vulnerability allowing out-of-bounds write operations has been identified in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share, all versions through 12.6.1204.216. This vulnerability could enable an attacker to execute arbitrary code by exploiting the way specially crafted VC6 files are parsed.

Impact

Exploitation of this vulnerability could lead to arbitrary code execution on the affected system.

Added: May 12, 2026, 9:23 PM
Updated: May 12, 2026, 9:23 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
3.6
remediation
0.0
relevance
8.2
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.