Detections
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RHEL 8 : flute, libbase, libfonts, libformula, liblayout, libloader, libreoffice, librepository, libserializer, pentaho-libxml, pentaho-reporting-flow-engine, and sac (RHSA-2026:88164)

high Nessus Plugin ID 370926

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:88164 advisory.

 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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:88164

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2537936

https://bugzilla.redhat.com/show_bug.cgi?id=2538242

https://bugzilla.redhat.com/show_bug.cgi?id=2538363

https://bugzilla.redhat.com/show_bug.cgi?id=2545885

https://issues.redhat.com/browse/RHEL-260518

https://issues.redhat.com/browse/RHEL-275416

https://issues.redhat.com/browse/RHEL-275417

https://issues.redhat.com/browse/RHEL-275418

https://issues.redhat.com/browse/RHEL-275419

https://issues.redhat.com/browse/RHEL-275420

https://issues.redhat.com/browse/RHEL-275421

https://issues.redhat.com/browse/RHEL-275422

https://issues.redhat.com/browse/RHEL-275423

https://issues.redhat.com/browse/RHEL-275424

https://issues.redhat.com/browse/RHEL-277813

https://issues.redhat.com/browse/RHEL-286491

http://www.nessus.org/u?962c820d

Plugin Details

Severity: High

ID: 370926

File Name: redhat-RHSA-2026-88164.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/22/2026

Updated: 10/22/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.2

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-63277

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.5

Threat Score: 7.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:autocorr-af, p-cpe:/a:redhat:enterprise_linux:autocorr-bg, p-cpe:/a:redhat:enterprise_linux:autocorr-ca, p-cpe:/a:redhat:enterprise_linux:autocorr-cs, p-cpe:/a:redhat:enterprise_linux:autocorr-da, p-cpe:/a:redhat:enterprise_linux:autocorr-de, p-cpe:/a:redhat:enterprise_linux:autocorr-el, p-cpe:/a:redhat:enterprise_linux:autocorr-en, p-cpe:/a:redhat:enterprise_linux:autocorr-es, p-cpe:/a:redhat:enterprise_linux:autocorr-fa, p-cpe:/a:redhat:enterprise_linux:autocorr-fi, p-cpe:/a:redhat:enterprise_linux:autocorr-fr, p-cpe:/a:redhat:enterprise_linux:autocorr-ga, p-cpe:/a:redhat:enterprise_linux:autocorr-hr, p-cpe:/a:redhat:enterprise_linux:autocorr-hu, p-cpe:/a:redhat:enterprise_linux:autocorr-is, p-cpe:/a:redhat:enterprise_linux:autocorr-it, p-cpe:/a:redhat:enterprise_linux:autocorr-ja, p-cpe:/a:redhat:enterprise_linux:autocorr-ko, p-cpe:/a:redhat:enterprise_linux:autocorr-lb, p-cpe:/a:redhat:enterprise_linux:autocorr-lt, p-cpe:/a:redhat:enterprise_linux:autocorr-mn, p-cpe:/a:redhat:enterprise_linux:autocorr-nl, p-cpe:/a:redhat:enterprise_linux:autocorr-pl, p-cpe:/a:redhat:enterprise_linux:autocorr-pt, p-cpe:/a:redhat:enterprise_linux:autocorr-ro, p-cpe:/a:redhat:enterprise_linux:autocorr-ru, p-cpe:/a:redhat:enterprise_linux:autocorr-sk, p-cpe:/a:redhat:enterprise_linux:autocorr-sl, p-cpe:/a:redhat:enterprise_linux:autocorr-sr, p-cpe:/a:redhat:enterprise_linux:autocorr-sv, p-cpe:/a:redhat:enterprise_linux:autocorr-tr, p-cpe:/a:redhat:enterprise_linux:autocorr-vi, p-cpe:/a:redhat:enterprise_linux:autocorr-zh, p-cpe:/a:redhat:enterprise_linux:flute, p-cpe:/a:redhat:enterprise_linux:libbase, p-cpe:/a:redhat:enterprise_linux:libfonts, p-cpe:/a:redhat:enterprise_linux:libformula, p-cpe:/a:redhat:enterprise_linux:liblayout, p-cpe:/a:redhat:enterprise_linux:libloader, p-cpe:/a:redhat:enterprise_linux:libreoffice-base, p-cpe:/a:redhat:enterprise_linux:libreoffice-calc, p-cpe:/a:redhat:enterprise_linux:libreoffice-core, p-cpe:/a:redhat:enterprise_linux:libreoffice-data, p-cpe:/a:redhat:enterprise_linux:libreoffice-draw, p-cpe:/a:redhat:enterprise_linux:libreoffice-emailmerge, p-cpe:/a:redhat:enterprise_linux:libreoffice-filters, p-cpe:/a:redhat:enterprise_linux:libreoffice-gdb-debug-support, p-cpe:/a:redhat:enterprise_linux:libreoffice-graphicfilter, p-cpe:/a:redhat:enterprise_linux:libreoffice-gtk3, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-ar, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-bg, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-bn, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-ca, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-cs, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-da, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-de, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-dz, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-el, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-en, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-es, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-et, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-eu, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-fi, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-fr, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-gl, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-gu, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-he, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-hi, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-hr, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-hu, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-id, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-it, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-ja, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-ko, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-lt, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-lv, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-nb, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-nl, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-nn, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-pl, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-pt-br, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-pt-pt, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-ro, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-ru, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-si, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-sk, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-sl, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-sv, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-ta, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-tr, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-uk, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-zh-hans, p-cpe:/a:redhat:enterprise_linux:libreoffice-help-zh-hant, p-cpe:/a:redhat:enterprise_linux:libreoffice-impress, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-af, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ar, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-as, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-bg, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-bn, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-br, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ca, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-cs, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-cy, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-da, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-de, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-dz, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-el, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-en, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-es, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-et, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-eu, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-fa, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-fi, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-fr, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ga, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-gl, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-gu, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-he, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-hi, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-hr, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-hu, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-id, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-it, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ja, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-kk, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-kn, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ko, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-lt, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-lv, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-mai, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ml, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-mr, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-nb, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-nl, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-nn, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-nr, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-nso, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-or, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-pa, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-pl, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-pt-br, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-pt-pt, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ro, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ru, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-si, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-sk, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-sl, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-sr, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ss, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-st, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-sv, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ta, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-te, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-th, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-tn, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-tr, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ts, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-uk, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-ve, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-xh, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-zh-hans, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-zh-hant, p-cpe:/a:redhat:enterprise_linux:libreoffice-langpack-zu, p-cpe:/a:redhat:enterprise_linux:libreoffice-math, p-cpe:/a:redhat:enterprise_linux:libreoffice-ogltrans, p-cpe:/a:redhat:enterprise_linux:libreoffice-opensymbol-fonts, p-cpe:/a:redhat:enterprise_linux:libreoffice-pdfimport, p-cpe:/a:redhat:enterprise_linux:libreoffice-pyuno, p-cpe:/a:redhat:enterprise_linux:libreoffice-sdk-doc, p-cpe:/a:redhat:enterprise_linux:libreoffice-sdk, p-cpe:/a:redhat:enterprise_linux:libreoffice-ure-common, p-cpe:/a:redhat:enterprise_linux:libreoffice-ure, p-cpe:/a:redhat:enterprise_linux:libreoffice-wiki-publisher, p-cpe:/a:redhat:enterprise_linux:libreoffice-writer, p-cpe:/a:redhat:enterprise_linux:libreoffice-x11, p-cpe:/a:redhat:enterprise_linux:libreoffice-xsltfilter, p-cpe:/a:redhat:enterprise_linux:libreoffice, p-cpe:/a:redhat:enterprise_linux:libreofficekit, p-cpe:/a:redhat:enterprise_linux:librepository, p-cpe:/a:redhat:enterprise_linux:libserializer, p-cpe:/a:redhat:enterprise_linux:pentaho-libxml, p-cpe:/a:redhat:enterprise_linux:pentaho-reporting-flow-engine, p-cpe:/a:redhat:enterprise_linux:sac

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/22/2026

Vulnerability Publication Date: 9/22/2026

Reference Information

CVE: CVE-2026-63274, CVE-2026-63275, CVE-2026-63276, CVE-2026-63277

CWE: 120, 121, 829

RHSA: 2026:88164