CVE-2026-19781

HIGH Status: Received

CVSS Scores

CVSS v3.x Base Score
7.8
HIGH

Description

Ashlar-Vellum Cobalt VS File Parsing Heap-based Buffer 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 VS files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28173.

Published
September 15, 2026 7:17 PM
Last Modified
September 15, 2026 7:17 PM
Source
[email protected]

Weaknesses (CWE)

CWE-122

References

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