openSUSE 16 Security Update : libxls (openSUSE-SU-2026:22128-1)

medium Nessus Plugin ID 370420

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:22128-1 advisory.

Changes in libxls:

Update to release 1.6.4:

* Fix use of uninitialized memory in OLE parsing [boo#1267687, CVE-2026-26825]
* Fix use of uninitialized memory in read_MSAT [boo#1267608, CVE-2026-26824]
* Fix use of uninitialized memory in xls_parseWorkBook
* Fix out-of-bounds reads in the formula dumper
* Handle allocation failures in OLE, workbook and string code
* Read SummaryInformation streams at their real size
* Keep full precision when converting numeric cells to strings
* Fix creation of UTF-8 locale failed in xls2csv

Update to release 1.6.3:

* Fix style record size check on big-endian systems
* Fix header include in C++ mode
* Fix buffer overflows when parsing style records
* Fix infinite loop with self-referencing sectors

Tenable has extracted the preceding description block directly from the SUSE 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 libxls-devel, libxls-tools and / or libxlsreader8 packages.

See Also

https://bugzilla.suse.com/1267608

https://bugzilla.suse.com/1267687

https://www.suse.com/security/cve/CVE-2026-26824

https://www.suse.com/security/cve/CVE-2026-26825

Plugin Details

Severity: Medium

ID: 370420

File Name: openSUSE-2026-22128-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/22/2026

Updated: 10/22/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.75

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2026-26825

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:libxls-devel, p-cpe:/a:novell:opensuse:libxls-tools, p-cpe:/a:novell:opensuse:libxlsreader8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/19/2026

Vulnerability Publication Date: 6/3/2026

Reference Information

CVE: CVE-2026-26824, CVE-2026-26825