The Chrome team is delighted to announce the promotion of Chrome 77 to the Stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks .





Chrome 77.0.3865.75 contains a number of fixes and improvements -- a full list of changes in this build is available in the l og . Watch out for upcoming Chrome and Chromium blog posts about new features and big efforts delivered in Chrome 77.

Security Fixes and Rewards Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed.

This update includes 54 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.

[$30000][ 999311 ] Critical CVE-2019-5870: Use-after-free in media. Reported by Guang Gong of Alpha Team, Qihoo 360 on 2019-08-29



[$10000][ 989969 ] Critical CVE-2019-13766: Use-after-free in accessibility. Reported by Pawel Wylecial of REDTEAM.PL on 2019-08-01 [$7500][ 990570 ] High CVE-2019-5871: Heap overflow in Skia. Reported by Anonymous on 2019-08-03 [$3000][ 981492 ] High CVE-2019-5872: Use-after-free in Mojo. Reported by Zhe Jin（金哲），Luyao Liu(刘路遥) from Chengdu Security Response Center of Qihoo 360 Technology Co. Ltd on 2019-07-05 [$3000][ 989497 ] High CVE-2019-5873: URL bar spoofing on iOS. Reported by Khalil Zhani on 2019-07-31 [$3000][ 989797 ] High CVE-2019-5874: External URIs may trigger other browsers. Reported by James Lee (@Windowsrcer) on 2019-08-01 [$2000][ 979443 ] High CVE-2019-5875: URL bar spoof via download redirect. Reported by Khalil Zhani on 2019-06-28 [$3000][ 966914 ] High CVE-2019-13691: Omnibox spoof. Reported by David Erceg on 2019-05-24 [$5000][ 991888 ] High CVE-2019-13692: SOP bypass. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2019-08-08 [$20000][ 997190 ] High CVE-2019-5876: Use-after-free in media. Reported by Man Yue Mo of Semmle Security Research Team on 2019-08-23 [$10000][ 999310 ] High CVE-2019-5877: Out-of-bounds access in V8. Reported by Guang Gong of Alpha Team, Qihoo 360 on 2019-08-29 [$N/A][ 1000217 ] High CVE-2019-5878: Use-after-free in V8. Reported by Guang Gong of Alpha Team, Qihoo 360 on 2019-09-03 [$3000][ 986043 ] Medium CVE-2019-5879: Extensions can read some local files. Reported by Jinseo Kim on 2019-07-20 [$2000][ 831725 ] Medium CVE-2019-5880: SameSite cookie bypass. Reported by Jun Kokatsu (@shhnjk) on 2018-04-11 [$2000][ 980816 ] Medium CVE-2019-5881: Arbitrary read in SwiftShader. Reported by Zhe Jin（金哲），Luyao Liu(刘路遥) from Chengdu Security Response Center of Qihoo 360 Technology Co. Ltd on 2019-07-03

[$2000][ 803365 ] Medium CVE-2019-5880: Insufficient policy enforcement in cookies. Reported by Isaac Dawson on 2018-01-18 [$1000][ 868846 ] Medium CVE-2019-13659: URL spoof. Reported by Lnyas Zhang on 2018-07-30 [$1000][ 882363 ] Medium CVE-2019-13660: Full screen notification overlap. Reported by Wenxu Wu (@ma7h1as) of Tencent Security Xuanwu Lab on 2018-09-10 [$1000][ 882812 ] Medium CVE-2019-13661: Full screen notification spoof. Reported by Wenxu Wu (@ma7h1as) of Tencent Security Xuanwu Lab on 2018-09-11 [$1000][ 967780 ] Medium CVE-2019-13662: CSP bypass. Reported by David Erceg on 2019-05-28 [$500][ 863661 ] Medium CVE-2019-13663: IDN spoof. Reported by Lnyas Zhang on 2018-07-14 [$500][ 915538 ] Medium CVE-2019-13664: CSRF bypass. Reported by thomas "zemnmez" shadwell on 2018-12-16 [$500][ 959640 ] Medium CVE-2019-13665: Multiple file download protection bypass. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2019-05-05 [$500][ 960305 ] Medium CVE-2019-13666: Side channel using storage size estimate. Reported by Tom Van Goethem from imec-DistriNet, KU Leuven on 2019-05-07 [$500][ 973056 ] Medium CVE-2019-13667: URI bar spoof when using external app URIs. Reported by Khalil Zhani on 2019-06-11 [$500][ 986393 ] Medium CVE-2019-13668: Global window leak via console. Reported by David Erceg on 2019-07-22 [$N/A][ 968451 ] Medium CVE-2019-13669: HTTP authentication spoof. Reported by Khalil Zhani on 2019-05-30 [$N/A][ 980891 ] Medium CVE-2019-13670: V8 memory corruption in regex. Reported by Guang Gong of Alpha Team, Qihoo 360 on 2019-07-03 [$1000][ 696454 ] Medium CVE-2019-13671: Dialog box fails to show origin. Reported by xisigr of Tencent's Xuanwu Lab on 2017-02-27 [$500][ 997925 ] Medium CVE-2019-13673: Cross-origin information leak using devtools. Reported by David Erceg on 2019-08-26 [$500][ 896533 ] Low CVE-2019-13674: IDN spoofing. Reported by Khalil Zhani on 2018-10-18 [$500][ 929578 ] Low CVE-2019-13675: Extensions can be disabled by trailing slash. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2019-02-07 [$N/A][ 875178 ] Low CVE-2019-13676: Google URI shown for certificate warning. Reported by Wenxu Wu (@ma7h1as) of Tencent Security Xuanwu Lab on 2018-08-17 [$500][ 939108 ] Low CVE-2019-13677: Chrome web store origin needs to be isolated. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2019-03-06 [$500][ 946633 ] Low CVE-2019-13678: Download dialog spoofing. Reported by Ronni Skansing on 2019-03-27 [$N/A][ 968914 ] Low CVE-2019-13679: User gesture needed for printing. Reported by Conrad Irwin, Superhuman on 2019-05-31 [$500][ 969684 ] Low CVE-2019-13680: IP address spoofing to servers. Reported by Thijs Alkemade from Computest on 2019-06-03 [$500][ 970378 ] Low CVE-2019-13681: Bypass on download restrictions. Reported by David Erceg on 2019-06-04 [$3000][ 971917 ] Low CVE-2019-13682: Site isolation bypass. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2019-06-07 [$N/A][ 987502 ] Low CVE-2019-13683: Exceptions leaked by devtools. Reported by David Erceg on 2019-07-25



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.





As usual, our ongoing internal security work was responsible for a wide range of fixes:

[ 1002279 ] Various fixes from internal audits, fuzzing and other initiatives Various fixes from internal audits, fuzzing and other initiatives

Many of our security bugs are detected using AddressSanitizer , MemorySanitizer , UndefinedBehaviorSanitizer , Control Flow Integrity , libFuzzer , or AFL .



Interested in switching release channels? Find out how here . If you find a new issue, please let us know by filing a bug . The community help forum is also a great place to reach out for help or learn about common issues.





Lakshmana Pamarthy