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Name
CVE-2026-34003
Description
A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash, leading to a Denial of Service (DoS). In certain configurations, higher impact outcomes may be possible.
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7.8
CVSSv31
7.8
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
xserver-xorg (yocto:scarthgap)
#
Title
Author
Resolve
1
xkb: Add more _XkbCheckRequestBounds()
Olivier Fourdan <ofourdan@redhat.com>
CVE-2026-34003
2
xkb: Add additional bound checking in CheckKeyTypes()
Olivier Fourdan <ofourdan@redhat.com>
CVE-2026-34003
xwayland (yocto:scarthgap)
#
Title
Author
Resolve
1
xkb: Add more _XkbCheckRequestBounds()
Olivier Fourdan <ofourdan@redhat.com>
CVE-2026-34003
2
xkb: Add additional bound checking in CheckKeyTypes()
Olivier Fourdan <ofourdan@redhat.com>
CVE-2026-34003