Systems should be configured to reject archives where the ratio of compressed-to-uncompressed size is suspiciously high.
A tiny compressed file (often only a few kilobytes or megabytes in size) that expands into a gargantuan amount of data (petabytes, exabytes, or "infinite" space) upon extraction. Infinite.zip
The most infamous example, 42.zip , is a 42-kilobyte file that, when fully extracted, expands to 4.5 petabytes ( Systems should be configured to reject archives where
Its primary purpose is to exhaust disk space (filling up the server's hard drive) or cause high CPU utilization, resulting in system failure. is a 42-kilobyte file that