Description:
Xwayland is an X server for running X clients under Wayland.
Security Fix(es):
* xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling (CVE-2026-33999)
* xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption (CVE-2026-34001)
* xorg: xwayland: X.Org X server: Information exposure and denial of service via out-of-bounds memory access (CVE-2026-34003)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Updated packages listed below:
| Architecture |
Package |
Checksum |
| aarch64 |
xorg-x11-server-Xwayland-21.1.3-20.el8_10.aarch64.rpm |
405401d5e2b82c9bde7ee64b040e668548a2de8633111b6d0b1208138f1519f5 |
| ppc64le |
xorg-x11-server-Xwayland-21.1.3-20.el8_10.ppc64le.rpm |
3269255cdb71cc98763c40f9a050a14e544f3cc7a4c56143bffa9069c37d425e |
| s390x |
xorg-x11-server-Xwayland-21.1.3-20.el8_10.s390x.rpm |
cb260a0f94126d888740135b9b7bff169225ea3bc660a20ef3ac441da72be94c |
| x86_64 |
xorg-x11-server-Xwayland-21.1.3-20.el8_10.x86_64.rpm |
f35c428a6bb609c7297992dde6dbb5f02dd1597c478a0192fda3fdf2a1d3f947 |