Impact A maliciously crafted archive may allow an attacker to create a symlink outside the extraction target directory. Patches Please use version 4.0.0 or later github.com/codeclysm/extract/v4. Any previous version is affected by the bug. Workarounds No knows workarounds. Backward compatibility notes about upgrading to /v4 from /v3 If you're not using the extract.Extractor.FS interface, you will not face any breaking changes and upgrading should be as simple as changing the import to /v4. This should be the case for most of the userbase. If you're using the Extractor.FS interface, then upgrading to /v4 will require to implement the new methods that have been added: “`go type FS interface { Link(string, string) error MkdirAll(string, os.FileMode) error OpenFile(name string, flag int, perm os.FileMode) (*os.File, error) Symlink(string, string) error // The following methods have been added in the /v4 interface: Remove(path string) error Stat(name string) (os.FileInfo, error) Chmod(name string, mode os.FileMode) error } “` There should be no other breaking changes in the /v4…Read More