(registered 2017-12-11, last updated 2017-12-11) Media type name: application Media subtype name: vnd.comicbook-rar Required parameters: N/A Optional parameters: N/A Encoding considerations: binary Security considerations: All processors that read CBR files should rigorously check the size and validity of data retrieved. Comic book archives consist of one or more image files in various formats, e.g., PNG or JPEG. Security considerations for the image formats all apply to CBR files. No executable content should be contained in a CBR file. As CBR files are a form of RAR-compressed files, security considerations for RAR files also apply to CBR files. See also the IANA specification for the application/vnd.rar media type. RAR files optionally provide both privacy protection, in the form of password-protected encrypted archives, and integrity protection through internal routines, and these protections may be used for CBR files as well. Interoperability considerations: As there is no published specification for CBR files, different reading applications may exhibit different behaviors. Published specification: There has not been a published specification for CBR files per se; however, the specification for RAR files generally is available at the developer's discretion from . Applications which use this media: Comic book readers such as ComicRack, MComix, and SimpleComic. Fragment identifier considerations: N/A Restrictions on usage: N/A Provisional registration? (standards tree only): N/A Additional information: 1. Deprecated alias names for this type: application/x-cbr 2. Magic number(s): none 3. File extension(s): .cbr 4. Macintosh file type code: N/A 5. Object Identifiers: N/A General Comments: Person to contact for further information: 1. Name: Kim Scarborough 2. Email: user&unknown.nu Intended usage: Common Along with CBZ files, this is the de facto standard for comic book archives. Author/Change controller: N/A