From ebbc31cc6b11ba3bb36448f53bc48bcec9fbac61 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Thu, 13 Feb 2025 12:09:58 +0100
Subject: [PATCH] malloc-fail: Check for malloc failure in xhtmlNodeDumpOutput

---
 xmlsave.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/xmlsave.c b/xmlsave.c
index 118ddbed..40e0e927 100644
--- a/xmlsave.c
+++ b/xmlsave.c
@@ -1714,10 +1714,14 @@ xhtmlNodeDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
                 tmp = cur->children;
                 while (tmp != NULL) {
                     if (xmlStrEqual(tmp->name, BAD_CAST"meta")) {
+                        int res;
                         xmlChar *httpequiv;
 
-                        httpequiv = xmlGetProp(tmp, BAD_CAST"http-equiv");
-                        if (httpequiv != NULL) {
+                        res = xmlNodeGetAttrValue(tmp, BAD_CAST "http-equiv",
+                                                  NULL, &httpequiv);
+                        if (res < 0) {
+                            xmlSaveErrMemory(buf);
+                        } else if (res == 0) {
                             if (xmlStrcasecmp(httpequiv,
                                         BAD_CAST"Content-Type") == 0) {
                                 xmlFree(httpequiv);