CVE:CVE-2019-19956
CNNVD:CNNVD-201912-1088
libxml2是开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。
libxml2 2.9.10之前版本中的parser.c文件的xmlParseBalancedChunkMemoryRecover功能存在安全漏洞。远程攻击者可借助特制文件利用该漏洞导致拒绝服务（应用程序崩溃）。
solution:Upgrade xmlsoft libxml2 to a higher version than 2.9.10,and avoid the version (,2.9.10); Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0; Upgrade oracle real_user_experience_insight to a higher version than 13.3.1.0,and avoid the version 13.3.1.0; Upgrade fedoraproject fedora to a higher version than 30,32,and avoid the version 30,32; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,16.04,18.04,19.10,and avoid the version 12.04,14.04,16.04,18.04,19.10; Upgrade netapp active_iq_unified_manager to a higher version than -; Upgrade netapp clustered_data_ontap to a higher version than -; Upgrade netapp clustered_data_ontap_antivirus_connector to a higher version than -; Upgrade netapp manageability_software_development_kit to a higher version than -; Upgrade netapp ontap_select_deploy_administration_utility to a higher version than -; Upgrade netapp steelstore_cloud_integrated_storage to a higher version than -; Upgrade siemens sinema_remote_connect_server to a higher version than 3.0,and avoid the version (,3.0)