HIGH

RHSA-2026:20557: Important: xorg-x11-server security update

Red Hat Errata • May 26, 2026

INFO

RHSA-2026:19343: Important: xorg-x11-server security update

Red Hat Errata • May 19, 2026

INFO

RHSA-2026:11692: Important: xorg-x11-server security update

Red Hat Errata • Apr 29, 2026

MEDIUM

CVE-2026-34003 Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access

Microsoft Security Response Center • Apr 29, 2026

MEDIUM

CVE-2026-34001 Xorg: xwayland: x.org x server: use-after-free vulnerability leads to server crash and potential memory corruption

Microsoft Security Response Center • Apr 29, 2026

MEDIUM

CVE-2026-33999 Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling

Microsoft Security Response Center • Apr 29, 2026

INFO

RHSA-2026:11388: Important: xorg-x11-server security update

Red Hat Errata • Apr 28, 2026

HIGH

RHSA-2026:11369: Important: xorg-x11-server-Xwayland security update

Red Hat Errata • Apr 28, 2026

MEDIUM

[NEU] [mittel] X.Org X11, Xwayland: Mehrere Schwachstellen

BSI Germany • Apr 15, 2026