CVE-2026-109096
X.Org Server XvPutImage Negative Image Size Length Bypass
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
Incorrect handling of negative returns from ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server.
| CWE | CWE-805 |
| Vendor | x.org |
| Product | xwayland |
| Published | Nov 13, 2026 |
Stay Ahead of the Next One
Get instant alerts for x.org xwayland
Be the first to know when new medium vulnerabilities affecting x.org xwayland are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
X.Org / xwayland
0 < 24.1.15
X.Org / xorg-x11-server
0 < 21.1.26
References
Credits
Tristan Madani <[email protected]>