ALAS2023-2026-3261: Security update for 4 packages

ALAS2023-2026-3261, released November 7, 2026, fixes 11 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0020

10th percentile

Priority of the 11 CVEs

Patch now 0
                                Urgent 0
                                High 10
                                Routine 1

Fixed package versions

Product	Release	Fixed in
xorg-x11-server-Xwayland	amzn 2023	24.1.3-1.amzn2023.0.7
xorg-x11-server-Xwayland-debuginfo	amzn 2023	24.1.3-1.amzn2023.0.7
xorg-x11-server-Xwayland-debugsource	amzn 2023	24.1.3-1.amzn2023.0.7
xorg-x11-server-Xwayland-devel	amzn 2023	24.1.3-1.amzn2023.0.7

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-93518	X.Org Server XKB ResizeKeyType Numeric Truncation	7.8	0.0020	None reported
High	CVE-2026-93519	X.Org Server XFixes Pointer Barrier Event List Buffer Overflow	7.8	0.0020	None reported
High	CVE-2026-93521	X.Org Server RandR ChangeProviderProperty Heap Buffer Overflow	7.8	0.0020	None reported
High	CVE-2026-93522	X.Org Server Glamor CopyArea Heap Buffer Overflow	7.8	0.0020	None reported
High	CVE-2026-93523	X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write	7.8	0.0020	None reported
High	CVE-2026-93515	.Org Server Present Extension Use-After-Free	n/a	0.0019	None reported
High	CVE-2026-93517	X.Org Server GLX RenderLarge Heap Buffer Overflow	7.8	0.0019	None reported
High	CVE-2026-93516	.Org Server XInput Passive Grab Use-After-Free	7.8	0.0019	None reported
High	CVE-2026-88812	X.Org Server XKB SetGeometry TextDoodad Double Free	7.8	0.0019	None reported
High	CVE-2026-93524	X.Org Server XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read	n/a	0.0018	None reported
Routine	CVE-2026-93536	X.Org Server GestureBuildSprite Use-After-Free	5.3	0.0017	None reported

Also fixes CVE-2026-93523

OPENSUSE-SU-2026:22085-1
xwayland on opensuse-leap 16.0
SUSE-SU-2026:24230-1
xwayland on sles 16.0
SUSE-SU-2026:4835-1
xwayland on sles 15.7
SUSE-SU-2026:4646-1
xorg-x11-server on sles 15.7
SUSE-SU-2026:4647-1
xorg-x11-server on sles 15.6
ALAS2023-2026-3260
xorg-x11-server-Xephyr, xorg-x11-server-Xephyr-debuginfo, xorg-x11-server-Xnest and 10 more on amzn 2023
ALAS2023-2026-3262
tigervnc, tigervnc-debuginfo, tigervnc-debugsource and 9 more on amzn 2023
ELSA-2026-85191
xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel on ol 10

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-3261.html

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