libexpat vulnerabilities

The libexpat vulnerabilities tag covers security issues in the Expat XML parser library, particularly as they affect Windows and enterprise IT environments. Recent content highlights a CISA warning about two high-severity libexpat vulnerabilities in Hitachi Energy's ITT600 SA Explorer, which can enable denial of service attacks when IEC 61850 server simulation is used. This underscores how libexpat vulnerabilities can impact industrial control systems and engineering workstations, expanding the attack surface beyond traditional IT. Discussions focus on patching, risk mitigation, and the broader implications for security updates in Windows-based systems. The tag is relevant for IT professionals, security researchers, and system administrators managing Windows deployments with XML parsing dependencies.