What’s Vulnerable › Vulnerabilities

CVE-2025-65086: Out-of-bounds write in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share

• 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: 2026-05-12 · updated 2026-10-14
• Weakness: CWE-787

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.

Affected products

• Ashlar-Vellum Argon: through 12.6.1204.216
• Ashlar-Vellum Cobalt: through 12.6.1204.216
• Ashlar-Vellum Cobalt Share: through 12.6.1204.216
• Ashlar-Vellum Lithium: through 12.6.1204.216
• Ashlar-Vellum Xenon: through 12.6.1204.216

References

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

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