SUSE SLED15 / SLES15 Security Update : xwayland (SUSE-SU-2026:4835-1)

high Nessus Plugin ID 371095

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4835-1 advisory.

- CVE-2026-88812: XKB SetGeometry TextDoodad Double Free (bsc#1281213).
- CVE-2026-93515: X.Org Server Present Extension Use-After-Free (bsc#1281218).
- CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free (bsc#1281220).
- CVE-2026-93517: GLX RenderLarge Heap Buffer Overflow (bsc#1281225).
- CVE-2026-93518: XKB ResizeKeyType Numeric Truncation (bsc#1281227).
- CVE-2026-93519: XFixes Pointer Barrier Event List Buffer Overflow (bsc#1281233).
- CVE-2026-93520: XKB ChangeKeycodeRange Heap Out-of-Bounds Write (bsc#1281236).
- CVE-2026-93521: RandR ChangeProviderProperty Heap Buffer Overflow (bsc#1281238).
- CVE-2026-93522: Glamor CopyArea Heap Buffer Overflow (bsc#1281240).
- CVE-2026-93523: XInput2 PassiveUngrabDevice Out-of-Bounds Write (bsc#1281241).
- CVE-2026-93524: XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read (bsc#1281242).
- CVE-2026-93536: GestureBuildSprite Use-After-Free (bsc#1281244).

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 xwayland package.

Plugin Details

Severity: High

ID: 371095

File Name: suse_SU-2026-4835-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/23/2026

Updated: 10/23/2026

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: Medium

Score: 6.9

Percentile: 96.5

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-93523

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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:15, p-cpe:/a:novell:suse_linux:xwayland

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: 10/21/2026

Vulnerability Publication Date: 10/7/2026

Reference Information

CVE: CVE-2026-88812, CVE-2026-93515, CVE-2026-93516, CVE-2026-93517, CVE-2026-93518, CVE-2026-93519, CVE-2026-93520, CVE-2026-93521, CVE-2026-93522, CVE-2026-93523, CVE-2026-93524, CVE-2026-93536

IAVA: 2026-A-1173

SuSE: SUSE-SU-2026:4835-1

Detections

Analytics