CVE-2026-109903

X.Org Server XvQueryImageAttributes Negative Size Reply

Published Nov 13, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
A buffer overread caused by casting a negative integer to CARD32 in XvQueryImageAttributes in X.Org X Server before 21.1.26 and xwayland before 24.1.15 could be used to causes crashes by authenticated X clients.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description A buffer overread caused by casting a negative integer to CARD32 in XvQueryImageAttributes in X.Org X Server before 21.1.26 and xwayland before 24.1.15 could be used to causes crashes by authenticated X clients.
Title X.Org Server XvQueryImageAttributes Negative Size Reply
First Time appeared X.org
X.org xorg-x11-server
X.org xwayland
Weaknesses CWE-191
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

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
Nov 13, 2026, 10:50 AM
Reserved
Oct 13, 2026, 9:50 AM
Status
Awaiting Analysis
Published
Nov 13, 2026, 11:17 AM
Modified
Nov 13, 2026, 11:17 AM