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tree: Check destParent->doc in xmlDOMWrapCloneNode

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The document must match destDoc to avoid tree corruption.
This commit is contained in:
Nick Wellnhofer 2024-03-14 16:32:58 +01:00
parent 7c48c01b1c
commit 37556eb32a
1 changed files with 2 additions and 1 deletions
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tree.c
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@ -8990,7 +8990,8 @@ xmlDOMWrapCloneNode(xmlDOMWrapCtxtPtr ctxt,
xmlNsPtr cloneNs = NULL, *cloneNsDefSlot = NULL;
xmlDictPtr dict; /* The destination dict */
if ((node == NULL) || (resNode == NULL) || (destDoc == NULL))
if ((node == NULL) || (resNode == NULL) || (destDoc == NULL) ||
((destParent != NULL) && (destParent->doc != destDoc)))
return(-1);
/*
* TODO: Initially we support only element-nodes.