CVE-2025-65085

A Heap-based Buffer Overflow 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 4.0

8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-25)

CWE

CWE-122

Published

2025-11-25

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• ashlar:argon
• ashlar:cobalt
• ashlar:cobalt_share
• ashlar:lithium
• ashlar:xenon

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-01

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