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 execute arbitrary code when a specially crafted VC6 file is being parsed.
Published: 2026-05-12
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

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

Tracking

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Advisories

No advisories yet.

History

Thu, 14 May 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Ashlar
Ashlar argon
Ashlar cobalt
Ashlar cobalt Share
Ashlar lithium
Ashlar xenon
CPEs cpe:2.3:a:ashlar:argon:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:cobalt:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:cobalt_share:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:lithium:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:xenon:*:*:*:*:*:*:*:*
Vendors & Products Ashlar
Ashlar argon
Ashlar cobalt
Ashlar cobalt Share
Ashlar lithium
Ashlar xenon
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Wed, 13 May 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Ashlar Vellum
Ashlar Vellum argon
Ashlar Vellum cobalt
Ashlar Vellum cobalt Share
Ashlar Vellum lithium
Ashlar Vellum xenon
Vendors & Products Ashlar Vellum
Ashlar Vellum argon
Ashlar Vellum cobalt
Ashlar Vellum cobalt Share
Ashlar Vellum lithium
Ashlar Vellum xenon

Tue, 12 May 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 12 May 2026 21:00:00 +0000

Type Values Removed Values Added
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 execute arbitrary code when a specially crafted VC6 file is being parsed.
Title Out-of-bounds write in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 8.4, 'vector': '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'}


Subscriptions

Ashlar Argon Cobalt Cobalt Share Lithium Xenon
Ashlar Vellum Argon Cobalt Cobalt Share Lithium Xenon
cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-05-12T21:12:42.853Z

Reserved: 2025-11-17T16:43:44.054Z

Link: CVE-2025-65086

cve-icon Vulnrichment

Updated: 2026-05-12T21:12:37.746Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-12T21:16:13.437

Modified: 2026-05-14T14:57:52.040

Link: CVE-2025-65086

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T10:35:49Z

Weaknesses