Adobe Dimension versions 3.4.3 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious GIF file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
https://www.zerodayinitiative.com/advisories/ZDI-21-1569/
https://helpx.adobe.com/security/products/dimension/apsb21-116.html