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Vulnerabilities

Vulnerability · CVE-2025-65085

A Heap-based Buffer Overflow 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

Published Nov 25, 2025 · catalog updated May 12, 2026 · Ashlar-Vellum Cobalt Share

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-65085. EPSS is 0.45%. Act only if a listed version of Ashlar-Vellum Cobalt Share is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.45%
Remediation
Vendor / distro source
Affected products
vendor Ashlar-Vellum Cobalt Share 0 ≤12.6.1204.216

A Heap-based Buffer Overflow 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 disclose information or execute arbitrary code.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Ashlar-Vellum Cobalt Share 0 ≤12.6.1204.2160 ≤12.6.1204.216

How to fix CVE-2025-65085

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-65085. EPSS is 0.45%. Act only if a listed version of Ashlar-Vellum Cobalt Share is installed.

Which versions are affected?

Compare what you have installed with Ashlar-Vellum Cobalt Share 0 ≤12.6.1204.216 0 ≤12.6.1204.216. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 25, 2025 · EUVD

    Detected

    A Heap-based Buffer Overflow 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 disclose information or execute arbitrary code.

  2. May 12, 2026 · EUVD

    Updated

    A Heap-based Buffer Overflow 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 disclose information or execute arbitrary code.

Sources

  • CVE.orgVulnerability recordCVE-2025-65085

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-65085

    30-day exploitation probability 0.45%

    first.org
  • EUVDVulnerability recordEUVD-2025-199616

    A Heap-based Buffer Overflow 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 disclose information or execute arbitrary code.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026