vulnerability
FreeBSD: VID-76c8b690-340b-11eb-a2b7-54e1ad3d6335 (CVE-2020-25712): xorg-server -- Multiple input validation failures in X server XKB extension
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | Dec 1, 2020 | Dec 2, 2020 | Dec 10, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Dec 1, 2020
Added
Dec 2, 2020
Modified
Dec 10, 2025
Description
The X.org project reports: These issues can lead to privileges elevations for authorized clients on systems where the X server is running privileged. Insufficient checks on the lengths of the XkbSetMap request can lead to out of bounds memory accesses in the X server. Insufficient checks on input of the XkbSetDeviceInfo request can lead to a buffer overflow on the head in the X server.
Solutions
freebsd-upgrade-package-xorg-serverfreebsd-upgrade-package-xephyrfreebsd-upgrade-package-xorg-vfbserverfreebsd-upgrade-package-xorg-nestserverfreebsd-upgrade-package-xwaylandfreebsd-upgrade-package-xorg-dmx
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