SUSE SLES12 Security Update : xorg-x11-server (SUSE-SU-2026:4636-1)

high Nessus Plugin ID 365552

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-2026:4636-1 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-2026-93523: XInput2 PassiveUngrabDevice Out-of-Bounds Write (bsc#1281241).
- CVE-2026-93524: XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read (bsc#1281242).

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 xorg-x11-server and / or xorg-x11-server-extra packages.

Plugin Details

Severity: High

ID: 365552

File Name: suse_SU-2026-4636-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/14/2026

Updated: 10/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, 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:12, p-cpe:/a:novell:suse_linux:xorg-x11-server-extra, p-cpe:/a:novell:suse_linux:xorg-x11-server

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: 10/13/2026

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-2026-93523, CVE-2026-93524

SuSE: SUSE-SU-2026:4636-1

Detections

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