CVE-2026-4430
HighSummary
Out-of-bounds write vulnerability in LibreOffice due to crafted OOXML documents with mismatched encryption salt parameters.
Risk Assessment
Exploitation of this vulnerability may lead to unauthorized memory access, potentially resulting in data leakage or remote code execution.
Recommendation
It is recommended to update LibreOffice to version 26.2.3 or 25.8.7 to mitigate this vulnerability.
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Original NVD description (English source)
Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters. This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

