CVE-2026-8358
NoneCVSS
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EPSS
0.2%
Published
Jun 15, 2026
CISA due date
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The record
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 allocation. In fixed versions records with a duplicate identifier are rejected.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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