Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt. Security Fix: * qt: XML entity expansion vulnerability * qt5-qtwebsockets: websocket implementation allows only limited size for frames and messages therefore attacker can cause DOS * qt: files placed by attacker can influence the working directory and lead to malicious code execution * qt: files placed by attacker can influence the working directory and lead to malicious code execution * qt5: incorrectly calls SSL_shutdown in OpenSSL mid-handshake causing denial of service in TLS applications For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the CentOS 8.3 Release Notes linked from the References section.