CVE-2026-4430 Affecting libreoffice-sdk package, versions <1:6.4.7.2-20.el8_10.alma.1


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.08% (1st percentile)

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  • Snyk IDSNYK-ALMALINUX8-LIBREOFFICESDK-17527277
  • published26 Jun 2026
  • disclosed23 Jun 2026

Introduced: 23 Jun 2026

CVE-2026-4430  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 libreoffice-sdk to version 1:6.4.7.2-20.el8_10.alma.1 or higher.
This issue was patched in ALSA-2026:28922.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libreoffice-sdk package and not the libreoffice-sdk package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1