Question: What is CVE-2025-21121?
Answer: CVE-2025-21121 is a vulnerability classified as high with a CVSS score of 7.8. It falls under CWE-787 and affects the system as follows: InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.