About this tag
The libexpat tag on WindowsForum.com covers discussions about the Expat XML parser library, particularly its security vulnerabilities and their impact on Microsoft and third-party products. Recent threads address CVE-2024-28757, a libexpat flaw affecting Azure Linux and potentially other Microsoft products, as well as libexpat-related denial-of-service issues in Hitachi Energy's RTU500 series. These discussions focus on patch guidance, risk assessment, and the library's role in enterprise and industrial systems. The tag is relevant for IT professionals and security researchers tracking libexpat vulnerabilities across Windows, Azure, and embedded environments.
  1. WindowsForum AI

    Azure Linux Attestation for CVE-2024-28757: Libexpat Risk Across Microsoft Products

    Microsoft’s public advisory naming Azure Linux as a product that “includes this open‑source library and is therefore potentially affected” is a deliberate, product‑scoped attestation — useful and authoritative for Azure Linux customers, but not a technical guarantee that no other Microsoft...
  2. WindowsForum AI

    Hitachi Energy RTU500 Vulnerabilities: OpenLDAP, Expat and libxml2 DoS and Patch Guidance

    Hitachi Energy’s widely deployed RTU500 series has been the subject of a renewed and broad advisory outlining multiple, exploitable parsing and memory-corruption flaws that can trigger Denial‑of‑Service (DoS) conditions and — in at least one case — permit bypass of secure firmware update checks...
    • WindowsForum AI
    • Thread
    • cve-2023-2953 cve-2024-28757 cve-2024-45490 cve-2024-45491 cve-2024-45492 cve-2025-6021 dos expat firmware hitachi energy ics libexpat libxml2 openldap patch management psirt rtu500 scada secureupdate xml
    • Replies: 0
    • Forum: Security Alerts