Out-Of-Bounds Write Vulnerability in Ashlar-Vellum Cobalt Software

CVE-2025-7998

What is CVE-2025-7998?

The Ashlar-Vellum Cobalt software contains a vulnerability in its CO file parsing capabilities, which is caused by insufficient validation of user-supplied input. This flaw may allow an attacker to perform an out-of-bounds write operation, leading to the potential execution of arbitrary code within the context of the affected process. To exploit this issue, an attacker must entice a user to access a malicious website or open a specially crafted CO file, making user interaction a crucial part of the exploitation process.

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