PT-2025-48068 · Ashlar Vellum · Ashlar-Vellum Lithium+4

Published 2025-11-25 · Updated 2026-05-12 · CVE-2025-65085

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Ashlar-Vellum Cobalt versions prior to 12.6.1204.207 Ashlar-Vellum Xenon versions prior to 12.6.1204.207 Ashlar-Vellum Argon versions prior to 12.6.1204.207 Ashlar-Vellum Lithium versions prior to 12.6.1204.207 Ashlar-Vellum Cobalt Share versions prior to 12.6.1204.207

Description A Heap-based Buffer Overflow issue exists in the software. This could allow an attacker to disclose information or execute arbitrary code. A heap-based buffer overflow occurs when a program writes data beyond the allocated memory region on the heap, potentially overwriting adjacent data structures or code.

Recommendations Update Ashlar-Vellum Cobalt to a version later than 12.6.1204.207. Update Ashlar-Vellum Xenon to a version later than 12.6.1204.207. Update Ashlar-Vellum Argon to a version later than 12.6.1204.207. Update Ashlar-Vellum Lithium to a version later than 12.6.1204.207. Update Ashlar-Vellum Cobalt Share to a version later than 12.6.1204.207.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2025-65085

Affected Products

Ashlar-Vellum Argon

Ashlar-Vellum Cobalt

Ashlar-Vellum Cobalt Share

Ashlar-Vellum Lithium

Ashlar-Vellum Xenon

References · 8

• https://osv.dev/vulnerability/CVE-2025-65085 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-65085 · Security Note
• https://twitter.com/VulmonFeeds/status/1993394229838536878 · Twitter Post
• https://t.me/cveNotify/163295 · Telegram Post
• https://t.me/CVEtracker/38214 · Telegram Post
• https://twitter.com/SecReportCVE/status/2003856499181830579 · Twitter Post
• https://cisa.gov/news-events/ics-advisories/icsa-25-329-01 · Note
• https://twitter.com/CVEnew/status/1993385793575174334 · Twitter Post