CVE-2026-34003 — Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access
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 m…
Published: 2026-04-23 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7