RHSA-2026:37249 — Security Advisory
Red Hat Security Advisory: libreoffice security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · July 9, 2026
Updated · July 27, 2026
Topic
An update for libreoffice is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a formula editor, and a drawing program. LibreOffice replaces OpenOffice and provides a similar but enhanced and extended office suite.
Security Fix(es):
- LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents (CVE-2026-4430)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.