CVE-2025-11463
Ashlar-Vellum Cobalt XE File Parsing Integer Overflow Remote Code Execution Vulnerability
- State
- Published
- Severity
- 7.8 High
- Published
- Oct 29, 2025
- Updated
- Oct 30, 2025
- Reserved
- Oct 7, 2025
Description
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 to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of XE files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26626.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.8 High | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | zdi |
Weaknesses
- CWE-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
CobaltAshlar-Vellum |
|
References
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