What’s Vulnerable › Vulnerabilities

CVE-2025-41392: Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share Out-of-bounds Read

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-18 · updated 2026-06-17
• Weakness: CWE-125

Description

In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected applications lack proper validation of user-supplied data when parsing AR files. This could lead to an out-of-bounds read. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.

Affected products

• Ashlar-Vellum Argon: before 12.2.1204.204 — fixed in 12.2.1204.204
• Ashlar-Vellum Cobalt: before 12.2.1204.204 — fixed in 12.2.1204.204
• Ashlar-Vellum Cobalt Share: before 12.2.1204.204 — fixed in 12.2.1204.204
• Ashlar-Vellum Lithium: before 12.2.1204.204 — fixed in 12.2.1204.204
• Ashlar-Vellum Xenon: before 12.2.1204.204 — fixed in 12.2.1204.204

How to fix

Upgrade to a fixed version: Ashlar-Vellum Argon 12.2.1204.204; Ashlar-Vellum Cobalt 12.2.1204.204; Ashlar-Vellum Cobalt Share 12.2.1204.204; Ashlar-Vellum Lithium 12.2.1204.204; Ashlar-Vellum Xenon 12.2.1204.204. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-25-224-01

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