As noted in this security article, vulnerabilities in metadata handling can sometimes be exploited. Always ensure your media player is updated to patch potential vulnerabilities (e.g., CVE-2021-30864 ).
If the file does not play, it may be due to an incompatible codec. Installing a codec pack, such as K-Lite Codec Pack , can solve this issue. Security Considerations Ajb08534 mp4
Understanding the Ajb08534 MP4: Context, Usage, and Security As noted in this security article, vulnerabilities in