The MozillaFirefox was updated to the new ESR 52.2 release, which fixes the following issues (bsc#1043960):
MFSA 2017-16/CVE-2017-7764 (bmo#1364283, bmo#http://www.unicode.org/reports/tr31/tr31-26 .html#AspirationalUseScripts) Domain spoofing with combination of Canadian Syllabics and other unicode blocks
update to Firefox ESR 52.1 (bsc#1035082)