CVE-2025-65086

HIGH

Out-of-bounds write in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References
Government Resource government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-01

Scores

CVSS v3 7.8
EPSS 0.0016
EPSS Percentile 6.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (10)
ashlar/argon < 12.6.1204.216
ashlar/cobalt < 12.6.1204.216
ashlar/cobalt_share < 12.6.1204.216
ashlar/lithium < 12.6.1204.216
ashlar/xenon < 12.6.1204.216
Ashlar-Vellum/Argon < 12.6.1204.216
Ashlar-Vellum/Cobalt < 12.6.1204.216
Ashlar-Vellum/Cobalt Share < 12.6.1204.216
Ashlar-Vellum/Lithium < 12.6.1204.216
Ashlar-Vellum/Xenon < 12.6.1204.216
Published May 12, 2026
Tracked Since May 13, 2026