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 35 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.
[$TBD][1324864] Critical CVE-2022-1853: Use after free in Indexed DB. Reported by Anonymous on 2025-08-14
[$10000][1320024] High CVE-2022-1854: Use after free in ANGLE. Reported by SeongHwan Park (SeHwa) on 2025-08-14
[$7500][1228661] High CVE-2022-1855: Use after free in Messaging. Reported by Anonymous on 2025-08-14
[$3000][1323239] High CVE-2022-1856: Use after free in User Education. Reported by Nan Wang(@eternalsakura13) and Guang Gong of 360 Alpha Lab on 2025-08-14
[$2000][1227995] High CVE-2022-1857: Insufficient policy enforcement in File System API. Reported by Daniel Rhea on 2025-08-14
[$1000][1314310] High CVE-2022-1858: Out of bounds read in DevTools. Reported by EllisVlad on 2025-08-14
[$1000][1322744] High CVE-2022-1859: Use after free in Performance Manager. Reported by Guannan Wang (@Keenan7310) of Tencent Security Xuanwu Lab on 2025-08-14
[$TBD][1297209] High CVE-2022-1860: Use after free in UI Foundations. Reported by @ginggilBesel on 2025-08-14
[$TBD][1316846] High CVE-2022-1861: Use after free in Sharing. Reported by Khalil Zhani on 2025-08-14
[$5000][1236325] Medium CVE-2022-1862: Inappropriate implementation in Extensions. Reported by Alesandro Ortiz on 2025-08-14
[$10000][1315102] Medium CVE-2022-4918: Use after free in UI. Reported by Chaoyuan Peng (@ret2happy) on 2025-08-14
[$5000][1292870] Medium CVE-2022-1863: Use after free in Tab Groups. Reported by David Erceg on 2025-08-14
[$5000][1320624] Medium CVE-2022-1864: Use after free in WebApp Installs. Reported by Yuntao You (@GraVity0) of Bytedance Wuheng Lab on 2025-08-14
[$3000][1289192] Medium CVE-2022-1865: Use after free in Bookmarks. Reported by Rong Jian of VRI on 2025-08-14
[$3000][1292264] Medium CVE-2022-1866: Use after free in Tablet Mode. Reported by @ginggilBesel on 2025-08-14
[$3000][1315563] Medium CVE-2022-1867: Insufficient validation of untrusted input in Data Transfer. Reported by Micha? Bentkowski of Securitum on 2025-08-14
[$TBD][1301203] Medium CVE-2022-1868: Inappropriate implementation in Extensions API. Reported by Alesandro Ortiz on 2025-08-14
[$NA][1309467] Medium CVE-2022-1869: Type Confusion in V8. Reported by Man Yue Mo of GitHub Security Lab on 2025-08-14
[$TBD][1323236] Medium CVE-2022-1870: Use after free in App Service. Reported by Nan Wang(@eternalsakura13) and Guang Gong of 360 Alpha Lab on 2025-08-14
[$7000][1308199] Low CVE-2022-1871: Insufficient policy enforcement in File System API. Reported by Thomas Orlita on 2025-08-14
[$7000][1310461] Low CVE-2022-1872: Insufficient policy enforcement in Extensions API. Reported by ChaobinZhang on 2025-08-14
[$2000][1305394] Low CVE-2022-1873: Insufficient policy enforcement in COOP. Reported by NDevTK on 2025-08-14
[$500][1251588] Low CVE-2022-1874: Insufficient policy enforcement in Safe Browsing. Reported by hjy79425575 on 2025-08-14
[$500][1306443] Low CVE-2022-1875: Inappropriate implementation in PDF. Reported by NDevTK on 2025-08-14
[$TBD][1313600] Low CVE-2022-1876: Heap buffer overflow in DevTools. Reported by @ginggilBesel on 2025-08-14
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:
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.
