CVE-2026-109091

X.Org Server EDID DS_RANGES Out-Of-Bounds Write

Published Nov 13, 2026 CVSS 3.1 · 7.8 High EPSS n/a KEV · Not listed
Description
A buffer overflow in handling EDID Display-Range descriptors in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by malicious monitors to crash the x server or execute cote.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description A buffer overflow in handling EDID Display-Range descriptors in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by malicious monitors to crash the x server or execute cote.
Title X.Org Server EDID DS_RANGES Out-Of-Bounds Write
First Time appeared X.org
X.org xorg-x11-server
X.org xwayland
Weaknesses CWE-122
CPEs cpe:2.3:a:x.org:xorg-x11-server:*:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*
Vendors & Products X.org
X.org xorg-x11-server
X.org xwayland
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
Nov 13, 2026, 4:07 PM
Reserved
Oct 12, 2026, 6:41 AM
Status
Awaiting Analysis
Published
Nov 13, 2026, 4:17 PM
Modified
Nov 13, 2026, 4:17 PM