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What's New:

The stable channel has been updated to 45.0.2454.99 for Windows, Mac, and Linux. This release contains a critical update to Adobe Flash Player (

This update includes 43 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.
  • [$3000][446032] High CVE-2015-1271: Heap-buffer-overflow in pdfium. Credit to cloudfuzzer.
  • [$3000][459215] High CVE-2015-1273: Heap-buffer-overflow in pdfium. Credit to makosoft.
  • [$TBD][461858] High CVE-2015-1274: Settings allowed executable files to run immediately after download. Credit to andrewm.bpi.
  • [$7500][462843] High CVE-2015-1275: UXSS in Chrome for Android. Credit to WangTao(neobyte) of Baidu X-Team.
  • [$TBD][472614] High CVE-2015-1276: Use-after-free in IndexedDB. Credit to Collin Payne.
  • [$5500][483981] High CVE-2015-1279: Heap-buffer-overflow in pdfium. Credit to mlafon.
  • [$5000][486947] High CVE-2015-1280: Memory corruption in skia. Credit to cloudfuzzer.
  • [$1000][487155] High CVE-2015-1281: CSP bypass. Credit to Masato Kinugawa.
  • [$TBD][487928] High CVE-2015-1282: Use-after-free in pdfium. Credit to Chamal de Silva.
  • [$TBD][492052] High CVE-2015-1283: Heap-buffer-overflow in expat. Credit to sidhpurwala.huzaifa.
  • [$2000][493243] High CVE-2015-1284: Use-after-free in blink. Credit to Atte Kettunen of OUSPG.
  • [$7500][504011] High CVE-2015-1286: UXSS in blink. Credit to anonymous.
  • [$1337][419383] Medium CVE-2015-1287: SOP bypass with CSS. Credit to filedescriptor.
  • [$1000][444573] Medium CVE-2015-1270: Uninitialized memory read in ICU. Credit to Atte Kettunen of OUSPG.
  • [$500][451456] Medium CVE-2015-1272: Use-after-free related to unexpected GPU process termination. Credit to Chamal de Silva.
  • [479743] Medium CVE-2015-1277: Use-after-free in accessibility. Credit to SkyLined.
  • [$500][482380] Medium CVE-2015-1278: URL spoofing using pdf files. Credit to Chamal de Silva.
  • [$1337][498982] Medium CVE-2015-1285: Information leak in XSS auditor. Credit to gazheyes.
  • [$500][479162] Low CVE-2015-1288: Spell checking dictionaries fetched over HTTP.Credit to mike@michaelruddy.com.
  • As usual, our ongoing internal security work was responsible for a wide range of fixes:
  • [512110] CVE-2015-1289: Various fixes from internal audits, fuzzing and other initiatives.

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