USN-4585-1: Newsbeuter vulnerabilities

It was discovered that Newsbeuter didn't handle the command line input properly. An remote attacker could use it to ran remote code by crafting a special input file. (CVE-2017-12904) It was discovered that Newsbeuter didn't handle metacharacters in its filename properly. An remote attacker could use it to ran remote code by crafting a special filename. (CVE-2017-14500)