A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.
https://access.redhat.com/errata/RHSA-2025:21035
https://access.redhat.com/errata/RHSA-2025:20961
https://access.redhat.com/errata/RHSA-2025:20960
https://access.redhat.com/errata/RHSA-2025:20958
https://access.redhat.com/errata/RHSA-2025:19909
https://access.redhat.com/errata/RHSA-2025:19623
https://access.redhat.com/errata/RHSA-2025:19489
https://access.redhat.com/errata/RHSA-2025:19435
https://access.redhat.com/errata/RHSA-2025:19434