[GIT-PULLS] [php-src] PR #23248: Fix DOMNameSpaceNode clone UAF after xinclude

[email protected] (iliaal)
Newsgroups php.git-pulls
Message-ID <[email protected]> 
Pull Request: https://github.com/php/php-src/pull/23248
Author: iliaal

DOMNameSpaceNode clone used original_node->parent to build the fake namespace decl. After DOMDocument::xinclude() that parent is freed. The clone now takes its parent from parent_intern, or NULL if that wrapper was stripped. parentNode and lookup* still use original_node->parent (https://github.com/php/php-src/pull/22627).
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