CVE-2025-65086

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.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0001

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
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

References

Other References

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

Frequently Asked Questions

What is CVE-2025-65086? +

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. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-65086? +

CVE-2025-65086 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0001, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2025-65086? +

CVE-2025-65086 affects products from ashlar, specifically: argon, cobalt, cobalt_share, lithium, xenon. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-65086? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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