Do not extract unknown or unexpectedly small zip files from untrusted sources. zip and recursive zip bombs ? 42.zip (2004) - Hacker News
The most infamous example, 42.zip , is a 42-kilobyte file that, when fully extracted, expands to 4.5 petabytes ( Infinite.zip
When an antivirus scanner or user unzips the file, the decompression engine attempts to expand every layer, leading to an exponential increase in disk space usage. 3. Purpose and Impact Do not extract unknown or unexpectedly small zip