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Merge pull request #2239 from microsoft/fix_malformed_xml_memory_leak

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Properly cleanup XML parser contexts upon completion
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martinhsv 2022-06-08 17:45:53 -04:00 committed by GitHub
commit fc8e5586e7
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1 changed files with 7 additions and 0 deletions
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7
apache2/msc_xml.c
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@ -137,6 +137,13 @@ int xml_complete(modsec_rec *msr, char **error_msg) {
* Frees the resources used for XML parsing.
*/
apr_status_t xml_cleanup(modsec_rec *msr) {
if (msr->xml->parsing_ctx != NULL) {
if (msr->xml->parsing_ctx->myDoc) {
xmlFreeDoc(msr->xml->parsing_ctx->myDoc);
}
xmlFreeParserCtxt(msr->xml->parsing_ctx);
msr->xml->parsing_ctx = NULL;
}
if (msr->xml->doc != NULL) {
xmlFreeDoc(msr->xml->doc);
msr->xml->doc = NULL;