What is CVE-2025-11463?

CVE-2025-11463 is a high-severity vulnerability in Ashlar-vellum Cobalt, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2025-10-29.

How severe is CVE-2025-11463?

High severity. CVSS v3 base score is 7.8 out of 10.

Integer overflow in Ashlar-vellum Cobalt

CVE-2025-11463

Ashlar-Vellum Cobalt XE File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required…

Vulnerability class: Integer Overflow

EPSS: 0.001 (16.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Ashlar-vellum Cobalt — versions 1204.97

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

ZDI-25-954 (x_research-advisory)

Frequently asked questions

What is CVE-2025-11463?: CVE-2025-11463 is a high-severity vulnerability in Ashlar-vellum Cobalt, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2025-10-29.
How severe is CVE-2025-11463?: High severity. CVSS v3 base score is 7.8 out of 10.