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 past its end. In fixed versions the array is sized to hold the largest possible nesting.
Debolezza
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 past its end. In fixed versions the array is sized to hold the largest possible nesting.
Riferimenti
- https://www.libreoffice.org/about-us/security/advisories/cve-2026-8357
- https://access.redhat.com/errata/RHSA-2026:35839
- https://access.redhat.com/errata/RHSA-2026:36832
- https://access.redhat.com/errata/RHSA-2026:43423
- https://access.redhat.com/errata/RHSA-2026:43424
- https://access.redhat.com/errata/RHSA-2026:43425
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