Windows 11’s New Compression Formats Pose Security Risks with libarchive

Microsoft introduced a major update to Windows 11 (KB5031455), adding native support for 11 new compression formats, including RAR and 7z.  This update aimed to enhance user convenience by enabling file management directly within File Explorer.  However, the integration of these formats via the open-source libarchive library has raised significant security concerns, exposing users to […]

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