SUSE SLES12: libX11-6 / libX11-6-32bit / libX11-data / libX11-devel / etc (SUSE-SU-2026:4410-1)

high Nessus Plugin ID 362573

Synopsis

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

Description

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4410-1 advisory.

- CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910).
- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).
- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser (bsc#1281657).
- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).

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 packages.

See Also

https://bugzilla.suse.com/1280910

https://bugzilla.suse.com/1281653

https://bugzilla.suse.com/1281657

https://bugzilla.suse.com/1281661

https://www.suse.com/security/cve/CVE-2026-88806

https://www.suse.com/security/cve/CVE-2026-94283

https://www.suse.com/security/cve/CVE-2026-94284

https://www.suse.com/security/cve/CVE-2026-94285

http://www.nessus.org/u?bfc2d1bf

Plugin Details

Severity: High

ID: 362573

File Name: suse_SU-2026-4410-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/2/2026

Updated: 10/2/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.28

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-88806

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libx11-6-32bit, p-cpe:/a:novell:suse_linux:libx11-6, p-cpe:/a:novell:suse_linux:libx11-data, p-cpe:/a:novell:suse_linux:libx11-devel, p-cpe:/a:novell:suse_linux:libx11-xcb1-32bit, p-cpe:/a:novell:suse_linux:libx11-xcb1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/1/2026

Vulnerability Publication Date: 9/21/2026

Reference Information

CVE: CVE-2026-88806, CVE-2026-94283, CVE-2026-94284, CVE-2026-94285

SuSE: SUSE-SU-2026:4410-1