Chrome V8 KeyAccumulator Bug Exploit

Chrome V8 suffers from a bug in KeyAccumulator that can cause a crash. Chrome: V8: A bug with KeyAccumulator PoC: for let i = 0; i https://cs.chromium.org/chromium/src/v8/src/objects.cc?rcl=a2ca1996873f3ffa79d9495fb2cf4e7c0e51d9e9&l=18369. The new table is directly used as the backing store of th...

Chrome V8 PropertyArray Integer Overflow

Chrome: V8: Integer overflow with PropertyArray There's a snippet of the MigrateFastToFast function which is used to create a new PropertyArray object. int numberoffields = newmap-NumberOfFields; int inobject = newmap-GetInObjectProperties; int unused = newmap-UnusedPropertyFields; ... int...