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-2026-8357

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 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

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...