CVE-2025-11465
HIGH EPSS 9.1%
Published Oct 29, 20258mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published Oct 29, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago
Description
Ashlar-Vellum Cobalt CO File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CO files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26631.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
9.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-416 Use After Free Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| ashlar | cobalt | 12.2.1204.97 | any |
References 1
- zerodayinitiative.com https://www.zerodayinitiative.com/advisories/ZDI-25-956/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.