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An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to create a digitally signed ODF document, by manipulating the documentsignatures.xml or macrosignatures.xml stream within the document to combine multiple certificate data, which when opened caused LibreOffice to display a validly signed indicator but whose content was unrelated to the signature shown. This issue affects: The Document Foundation LibreOffice 7-0 versions prior to 7.0.6; 7-1 versions prior to 7.1.2.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"25633","Ordinal":"2","NoteData":"2021-10-11","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"25633","Ordinal":"3","NoteData":"2021-10-17","Type":"Other","Title":"Modified"}]}}}