This update to Chromium version 71.0.3578.80 fixes security issues and bugs.

Security issues fixed (boo#1118529):

- CVE-2018-17480: Out of bounds write in V8
- CVE-2018-17481: Use after frees in PDFium
- CVE-2018-18335: Heap buffer overflow in Skia
- CVE-2018-18336: Use after free in PDFium
- CVE-2018-18337: Use after free in Blink
- CVE-2018-18338: Heap buffer overflow in Canvas
- CVE-2018-18339: Use after free in WebAudio
- CVE-2018-18340: Use after free in MediaRecorder
- CVE-2018-18341: Heap buffer overflow in Blink
- CVE-2018-18342: Out of bounds write in V8
- CVE-2018-18343: Use after free in Skia
- CVE-2018-18344: Inappropriate implementation in Extensions
- Multiple issues in SQLite via WebSQL
- CVE-2018-18345: Inappropriate implementation in Site Isolation
- CVE-2018-18346: Incorrect security UI in Blink
- CVE-2018-18347: Inappropriate implementation in Navigation
- CVE-2018-18348: Inappropriate implementation in Omnibox
- CVE-2018-18349: Insufficient policy enforcement in Blink
- CVE-2018-18350: Insufficient policy enforcement in Blink
- CVE-2018-18351: Insufficient policy enforcement in Navigation
- CVE-2018-18352: Inappropriate implementation in Media
- CVE-2018-18353: Inappropriate implementation in Network Authentication
- CVE-2018-18354: Insufficient data validation in Shell Integration
- CVE-2018-18355: Insufficient policy enforcement in URL Formatter
- CVE-2018-18356: Use after free in Skia
- CVE-2018-18357: Insufficient policy enforcement in URL Formatter
- CVE-2018-18358: Insufficient policy enforcement in Proxy
- CVE-2018-18359: Out of bounds read in V8
- Inappropriate implementation in PDFium
- Use after free in Extensions
- Inappropriate implementation in Navigation
- Insufficient policy enforcement in Navigation
- Insufficient policy enforcement in URL Formatter
- Various fixes from internal audits, fuzzing and other initiatives

The following changes are included:

- advertisements posing as error messages are now blocked
- Automatic playing of content at page load mostly disabled
- New JavaScript API for relative time display