libxslt: use-after-free with key data stored cross-RVT

A use-after-free vulnerability was found in libxslt while parsing xsl nodes that may lead to the dereference of expired pointers and application crash...

📄 libxslt Key Data Storage 1.1.38 Use-After-Free / Memory Corruption

libxslt Key Data Storage version 1.1.38 suffers from an improper handling of Result Value Trees RVTs when evaluating XSLT keys that can result in memory corruption...