Fedora: libtiff-3.5.7-20.2 update

data:image/svg+xml,%3Csvg%20xmlns=%22https://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

Chris Evans discovered a number of integer overflow bugs that affect libtiff. An attacker who has the ability to trick a user into opening a malicious TIFF file could cause the application linked to libtiff to crash or possibly execute arbitrary code.