Berlin, 26 September 2023 – The Document Foundation is releasing LibreOffice 7.6.2 Community and LibreOffice 7.5.7 Community ahead of schedule to address a security issue known as CVE 2023-4863, which originates in a widely used code library known as libwebp, created by Google more than a decade ago to render the then-new WebP graphics format [1].…
Announcement of LibreOffice 25.8.3
Berlin, 13 November 2025 - LibreOffice 25.8.3, the third minor release of the free, volunteer-supported office suite for personal productivity…
ODF format security: encryption, signatures and metadata management
Open Document Format (ODF) is an open standard for office documents – texts, spreadsheets, presentations and more – that is flexible and interoperable. As with any other digital format, its security is a key concern, as ODF files often contain sensitive information that, without adequate protection measures, can be exposed, tampered with or tracked.
This post analyses how ODF handles security, focusing on encryption, digital signatures and metadata management: three features that protect documents from prying eyes and tampering.…