atril: evince: xreader: PDF /GoToR action argv injection enables single-click RCE via --gtk-module dlopen

A flaw was found in Atril, Evince and Xreader. A malicious link inside a specially crafted PDF document can cause arbitrary code execution when clicked due to improper quoting of attacker-controlled PDF link-destination fields during remote go-to /GoToR actions. This issue allows an attacker to...