In May of this year, we noticed that Chrome fixed a V8 vulnerability that was being exploited in the wild in this update. We quickly pinpointed the fix for this vulnerability and discovered that it was a rare bug in the Parser module, which piqued our interest greatly. This led to the following research. From Patch to PoC First, let’s take a look at the patch for this vulnerability: diff --git a/src/ast/scopes.cc b/src/ast/scopes.cc index 660fdd2e9ad..de4df35c0ad 100644 --- a/src/ast/scopes...
