DotNetZip.Semvered before 1.11.0 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

Directory Traversal vulnerability in DotNetZip v.1.16.0 and before allows a remote attacker to execute arbitrary code via the src/Zip.Shared/ZipEntry.Extract.cs component NOTE: This vulnerability only affects products that are no longer supported by the maintainer.