Evince could be made run programs as your login if it opened a
specially crafted file.
- evince: Document viewer
Felix Wilhelm discovered that Evince did not safely invoke tar when
handling tar comic book (cbt) files. An attacker could use this to
construct a malicious cbt comic book format file that, when opened
in Evince, executes arbitrary code. Please note that this update
disables support for cbt files in Evince.
The problem can be corrected by updating your system to the following