Vulnerability · Published Nov 25, 2025 · Assigned by icscert
CVE-2025-65084Out-of-bounds Write in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share
High 8.4
In plain English
A high-severity out-of-bounds write in Argon from Ashlar-Vellum. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.4%top 70.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ashlar-Vellum | Cobalt | 0 – through 12.6.1204.216 |
| Ashlar-Vellum | Xenon | 0 – through 12.6.1204.216 |
| Ashlar-Vellum | Argon | 0 – through 12.6.1204.216 |
| Ashlar-Vellum | Lithium | 0 – through 12.6.1204.216 |
| Ashlar-Vellum | Cobalt Share | 0 – through 12.6.1204.216 |
Weakness: CWE-787 · 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
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-01 government-resource