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What's New:

The stable channel has been updated to 45.0.2454.101 for Windows, Mac, and Linux. This release contains a critical update to Adobe Flash Player (

This update includes 29 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chromium security page for more information.

  • [$TBD][530301] High CVE-2015-1303: Cross-origin bypass in DOM. Credit to Mariusz Mlynski.
  • [$TBD][531891] High CVE-2015-1304: Cross-origin bypass in V8. Credit to Mariusz Mlynski.[$7500][516377] High CVE-2015-1291: Cross-origin bypass in DOM. Credit to anonymous.
  • [$7500][522791] High CVE-2015-1292: Cross-origin bypass in ServiceWorker. Credit to Mariusz Mlynski.
  • [$7500][524074] High CVE-2015-1293: Cross-origin bypass in DOM. Credit to Mariusz Mlynski.
  • [$5000][492263] High CVE-2015-1294: Use-after-free in Skia. Credit to cloudfuzzer.
  • [$3000][502562] High CVE-2015-1295: Use-after-free in Printing. Credit to anonymous.
  • [$1000][421332] High CVE-2015-1296: Character spoofing in omnibox. Credit to zcorpan.
  • [$3000][510802] Medium CVE-2015-1297: Permission scoping error in WebRequest.Credit to Alexander Kashev.
  • [$3000][518827] Medium CVE-2015-1298: URL validation error in extensions. Credit to Rob Wu.
  • [$2000][416362] Medium CVE-2015-1299: Use-after-free in Blink. Credit to taro.suzuki.dev.
  • [$1000][511616] Medium CVE-2015-1300: Information leak in Blink. Credit to cgvwzq.

We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel. The total value of additional rewards and their recipients will updated here when all reports have gone through the reward panel.
As usual, our ongoing internal security work was responsible for a wide range of fixes:

  • [526825] CVE-2015-1301: Various fixes from internal audits, fuzzing and other initiatives.
  • Multiple vulnerabilities in V8 fixed at the tip of the 4.5 branch (currently

Many of the above bugs were detected using AddressSanitizer or MemorySanitizer.