Red Hat Security Advisory: tigervnc security update

CVE-2026-33999 — xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling CVE-2026-34000 — xwayland: xorg: X.Org X server: Information disclosure and denial of service via out-of-bounds read in XKB geometry processing. CVE-2026-34001 — xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption CVE-2026-34003 — xorg: xwayland: X.Org X server: Information exposure and denial of service via out-of-bounds memory access CVE-2026-34352 — TigerVNC: x0vncserver: TigerVNC x0vncserver: Information disclosure, data manipulation, and denial of service via incorrect permissions