This is a specific identifier from the Zero Day Initiative for a command injection vulnerability.
Maliciously crafted .rar files are sometimes used in "Zip Slip" attacks, where extraction can overwrite system files via directory traversal. 2. Software & Developer Context 23105 rar
Compressed files can hide malware. A virus inside a .rar file generally cannot harm your device until it is extracted. This is a specific identifier from the Zero
RAR files are used to shrink large files or bundle multiple files into one "container" to save space. Software & Developer Context Compressed files can hide
In the source code for the MEGA.nz web client, 23105 is a localization string ID used to display the text . It is part of a list describing company culture and events. 3. General Information on RAR Files
Knowing if it was in a security report , a source code repository , or a download link would help in giving you a more specific breakdown.