CVE-2026-4430

Summary

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.

Affected Software

VendorProductVersion RangeStatus
The Document FoundationLibreOffice26.2 < 26.2.3affected
The Document FoundationLibreOffice25.8 < 25.8.7affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds write

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References