CVE-2026-109091
X.Org Server EDID DS_RANGES Out-Of-Bounds Write
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: suseFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: suseAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| xwayland X.Org xwayland
|
≥ 0; < 24.1.15 (affected, rpm)
Other versions: unaffected |
CNA: suse |
| xorg-x11-server X.Org xorg-x11-server
|
≥ 0; < 21.1.26 (affected, rpm)
Other versions: unaffected |
CNA: suse |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.8 high |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CNA: suse |
| 3.1 / 7.8 high |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/56e4ab6e8d94222480c8d7a28f530334059e3ab7CNA: suse · patch
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/d88f0f7fdb2834c24feca63c0af5f46a57f4a04cCNA: suse · patch
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/56e4ab6e8d94222480c8d7a28f530334059e3ab7[email protected]
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/d88f0f7fdb2834c24feca63c0af5f46a57f4a04c[email protected]
For agents and automation
Read public disclosures for free as Markdown or JSON. Compatible browsers also expose native WebMCP tools to search disclosures, read this page, and discover API access.
Use the ontology-linked Cyber API with x402 pay per request, or a Y2 Pro or Elite API key with the intel:cyber scope.
Endpoints and access details
https://api.y2.dev/api/v2/cyber/cveshttps://api.y2.dev/api/v2/cyber/cves/{cveId}
A workspace owner or admin can create a Pro or Elite API key. Send Authorization: Bearer <Y2_API_KEY> from your trusted agent runtime.
For x402, omit Authorization and read the HTTP 402 payment challenge before signing a retry. Public browser tools do not make payments.