Security fix for the ALT Linux 10 package thunderbird version 52.5.2-alt1

Dec. 25, 2017 Andrey Cherepanov 52.5.2-alt1 - New version 52.5.2 - Enigmail 1.9.9 - Fixes: + CVE-2017-7846 JavaScript Execution via RSS in mailbox:// origin + CVE-2017-7847 Local path string can be leaked from RSS feed + CVE-2017-7848 RSS Feed vulnerable to new line Injection + CVE-2017-7829...