CVE-2025-7991

Ashlar-Vellum Cobalt VC6 File Parsing Out-Of-Bounds Read 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 VC6 files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25945.

The following products are affected by CVE-2025-7991 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-7991.

URL	Resource
https://www.zerodayinitiative.com/advisories/ZDI-25-643/