RHSA-2026:88164 — Security Advisory

Red Hat Security Advisory: flute, libbase, libfonts, libformula, liblayout, libloader, libreoffice, librepository, libserializer, pentaho-libxml, pentaho-reporting-flow-engine, and sac security, bug fix, and enhancement update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · October 22, 2026

Updated · November 2, 2026

Topic

An update for multiple packages is now available for Red Hat Enterprise Linux 8.

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.

Description

SAC is a standard interface for CSS parsers, intended to work with CSS1, CSS2, CSS3 and other CSS derived languages.

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)

Bug Fix(es) and Enhancement(s):

[libbase] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275415)
[flute] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275416)
[libserializer] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275417)
[libloader] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275418)
[libformula] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275419)
[librepository] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275420)
[libfonts] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275421)
[liblayout] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275422)
[pentaho-libxml] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275423)
[pentaho-reporting-flow-engine] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-275424)
[sac] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-277813)
[libreoffice] LibreOffice packages using EOL Java (after November 2026) (JIRA:RHEL-260518)
[RHEL 8.10] Base Report Wizard fails with packaged Pentaho reporting engine (JIRA:RHEL-286491)

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.