Chromium-browser-stable 52.0.2743.116 fixes security issues: two heap overflow issues in pdfium (CVE-2016-5139 and CVE-2016-5140); an address bar spoofing problem (CVE-2016-5141); a use-after-free bug (CVE-2016-5142) and a same origin bypass problem (CVE-2016-5145) in blink; two parameter sanitization failures in DevTools (CVE-2016-5143 and CVE-2016-5144); and various fixes from upstream's internal audits, fuzzing, and other initiatives (CVE-2016-5146).