CVE-2026-8358

A heap-based buffer overflow vulnerability was discovered in LibreOffice Calc's spreadsheet importer. When processing tracked changes from a spreadsheet document, the application fails to properly handle duplicate change identifiers. By reusing the same change identifier for two distinct types of...

CVE-2026-6040

A vulnerability was found in LibreOffice. If a user inadvertently opens a malicious OpenDocument Format ODF file, an attacker could execute unauthorized code and potentially gain full control of the system. Mitigation Users should exercise caution and avoid opening untrusted OpenDocument Format O...

CVE-2026-8357

A vulnerability has been identified in LibreOffice Calc. An application crash may occur if a user opens a malicious spreadsheet that contains excessively long formulas. Successful exploitation of this vulnerability could result in a denial of service or potentially lead to arbitrary code executio...

Debian dla-4633 : fonts-opensymbol - security update

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4633 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4633-1 [email protected]...

CVE-2026-6039

A flaw was found in LibreOffice. This vulnerability, a heap buffer overflow, occurs when processing specially crafted DXF Drawing Exchange Format polyline files. An attacker could exploit this by convincing a user to open a malicious DXF file, which may lead to a denial of service DoS due to...

CVE-2026-6045

A flaw was found in LibreOffice. A heap buffer overflow exists when importing EMF+ graphics, which may be embedded in documents. An attacker could exploit this by convincing a user to open a specially crafted document. This could lead to denial of service or memory corruption, potentially allowin...

[SECURITY] [DSA 6346-1] libreoffice security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6346-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 15, 2026 https://www.debian.org/security/faq -...

CVE-2026-6047

LibreOffice can import documents in the OOXML format DOCX. A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed...

CVE-2026-8357

LibreOffice Calc compiles cell formulas when opening a spreadsheet. A heap buffer overflow existed when compiling a very long formula made up of many opening tokens. The array that tracks nesting depth was allocated one element too small for that worst case, so such a formula wrote one element pa...

CVE-2026-8356

LibreOffice can import presentations in the legacy binary PPT format. A stack buffer overflow existed when importing a colour-replacement record. Two fixed-size colour tables were filled from the file, but the write position was not reset between the two passes over the record, so a file whose...

CVE-2026-8358

LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the same change identifier for two different kinds of change. The importer then treated one change object as a different, larger type and wrote past the end of its...

CVE-2026-8358 Heap buffer overflow in spreadsheet tracked-changes import

LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the same change identifier for two different kinds of change. The importer then treated one change object as a different, larger type and wrote past the end of its...

EUVD-2026-36740

LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the same change identifier for two different kinds of change. The importer then treated one change object as a different, larger type and wrote past the end of its...

CVE-2026-8358 Heap buffer overflow in spreadsheet tracked-changes import

LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the same change identifier for two different kinds of change. The importer then treated one change object as a different, larger type and wrote past the end of its...

CVE-2026-8358

CVE-2026-8358 affects LibreOffice Calc during import of tracked changes. A heap buffer overflow occurs when a document reuses the same change identifier for two different kinds of changes; the importer may treat one change object as a larger type and write past the end of its allocation. The vuln...

CVE-2026-8358

LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the same change identifier for two different kinds of change. The importer then treated one change object as a different, larger type and wrote past the end of its...

CVE-2026-8357 Heap buffer overflow in Calc formula compilation

LibreOffice Calc compiles cell formulas when opening a spreadsheet. A heap buffer overflow existed when compiling a very long formula made up of many opening tokens. The array that tracks nesting depth was allocated one element too small for that worst case, so such a formula wrote one element pa...

CVE-2026-8357 Heap buffer overflow in Calc formula compilation

LibreOffice Calc compiles cell formulas when opening a spreadsheet. A heap buffer overflow existed when compiling a very long formula made up of many opening tokens. The array that tracks nesting depth was allocated one element too small for that worst case, so such a formula wrote one element pa...

CVE-2026-8357

CVE-2026-8357 affects LibreOffice Calc. The vulnerability arises in the formula compilation path when opening a spreadsheet, where very long formulas composed of many opening tokens cause a heap buffer overflow because the nesting-depth tracking array was undersized. The issue writes past the end...

CVE-2026-8357

LibreOffice Calc compiles cell formulas when opening a spreadsheet. A heap buffer overflow existed when compiling a very long formula made up of many opening tokens. The array that tracks nesting depth was allocated one element too small for that worst case, so such a formula wrote one element pa...