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CVE-2025-65084: CWE-787 Out-of-bounds Write in Ashlar-Vellum Cobalt

0
High
VulnerabilityCVE-2025-65084cvecve-2025-65084cwe-787
Published: 11/25/2025 (11/25/2025, 17:48:55 UTC)
Source: CVE Database V5
Vendor/Project: Ashlar-Vellum
Product: Cobalt

Description

An Out-of-Bounds Write 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.

CVSS v4.0

Score 8.4high

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Active
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

Affected versions
=0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/13/2026, 02:09:46 UTC

Technical Analysis

An out-of-bounds write vulnerability (CWE-787) exists in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions 12.6.1204.216 and earlier. This vulnerability can be exploited by an attacker with local access and user interaction to potentially disclose sensitive information or execute arbitrary code on the affected system. The CVSS 4.0 base score is 8.4, indicating high severity, with low attack complexity and no privileges required but user interaction necessary. No patch or official remediation information is currently available.

Potential Impact

Successful exploitation could lead to information disclosure or arbitrary code execution on affected systems running vulnerable versions of Ashlar-Vellum products. This could compromise system confidentiality and integrity. There are no known exploits in the wild at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local user access to trusted individuals and exercise caution with user interactions involving these products.

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Technical Details

Data Version
5.2
Assigner Short Name
icscert
Date Reserved
2025-11-17T16:43:44.053Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6925f0be94b153c6e11684f5

Added to database: 11/25/2025, 18:09:02 UTC

Last enriched: 05/13/2026, 02:09:46 UTC

Last updated: 09/10/2026, 19:36:51 UTC

Views: 163

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