SUSE SLES12 Security Update : xkbcomp (SUSE-SU-2025:4407-1)

medium Nessus Plugin ID 278943

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Synopsis

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

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4407-1 advisory.

- CVE-2018-15863: NULL pointer dereference triggered by a a crafted keymap file with a no-op modmask expression can lead to a crash (bsc#1105832).
- CVE-2018-15861: NULL pointer dereference triggered by a crafted keymap file that induces an `xkb_intern_atom` failure can lead to a crash (bsc#1105832).
- CVE-2018-15859: NULL pointer dereference triggered by a specially a crafted keymap file can lead to a crash (bsc#1105832).
- CVE-2018-15853: endless recursion triggered by a crafted keymap file that induces boolean negation can lead to a crash (bsc#1105832).

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 xkbcomp and / or xkbcomp-devel packages.

Plugin Details

Severity: Medium

ID: 278943

File Name: suse_SU-2025-4407-1.nasl

Version: 1.1

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 12/17/2025

Updated: 12/17/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2018-15863

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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:xkbcomp, p-cpe:/a:novell:suse_linux:xkbcomp-devel

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: 12/15/2025

Vulnerability Publication Date: 8/25/2018

Reference Information

CVE: CVE-2018-15853, CVE-2018-15859, CVE-2018-15861, CVE-2018-15863

SuSE: SUSE-SU-2025:4407-1

Detections

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