(0Day) Ashlar-Vellum Cobalt CO File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

Rocco Calvi

ZDI ID: ZDI-25-720
ZDI-CAN: ZDI-CAN-26235
CVSS
7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors
Ashlar-Vellum
Affected Products
Cobalt

Additional Details

Disclosure Timeline

  • 2025-02-11 — Vulnerability reported to vendor
  • 2025-07-30 — Coordinated public release of advisory