JScript 5.7 RegExpBase::FBadHeader Use-After-Free

Discussion in 'News Aggregator' started by Packet Storm, 15 Oct 2015.

  1. Packet Storm

    Packet Storm Guest

    Recompiling the regular expression pattern during a replace in JScript version 5.7 (MSIE 8) can cause the code to reuse a freed string, but only if the string is freed from the cache by allocating and freeing a number of strings of certain size.

    Continue reading...
     

Share This Page

Loading...