RHSA-2026:82013 — Security Advisory

An update for libreoffice is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

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: heap buffer overflow in PDF import stream handling (CVE-2026-63274)

• libreoffice: stack buffer overflow in CFF to Type 1 font conversion (CVE-2026-63276)

• libreoffice: stack buffer overflow in CFF font hint handling (CVE-2026-63275)

• libreoffice: libreoffice: Arbitrary code execution via remote Java database driver (CVE-2026-63277)

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.