vulnerability
Ubuntu: (Multiple Advisories) (CVE-2023-6816): X.Org X Server vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Jan 16, 2024 | Jan 17, 2024 | Aug 18, 2025 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Jan 16, 2024
Added
Jan 17, 2024
Modified
Aug 18, 2025
Description
A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbitrarily mapped to any value up to 255, but the X.Org Server was only allocating space for the device's particular number of buttons, leading to a heap overflow if a bigger value was used.
Solutions
ubuntu-pro-upgrade-xserver-xorg-coreubuntu-pro-upgrade-xwayland
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