CVE-2026-34000
xwayland: xorg: X.Org X server: Information disclosure and denial of service via out-of-bounds read in XKB geometry processing.
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut AlmaLinux (hoch), Amazon (hoch), Oracle (hoch), Rocky Linux (hoch), Red Hat (mittel).
Beschreibung
A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the `CheckSetGeom()` and `XkbAddGeomKeyAlias` functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server, either locally or remotely, can exploit this without user interaction. This could lead to the disclosure of memory contents or cause a denial of service by crashing the server.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| alma 9 | tigervnc, tigervnc-icons, tigervnc-license und 4 weitere | 1.15.0-7.el9_8.1 |
| alpine 3.23 | xorg-server, xwayland | 21.1.22-r0 und 1 weitere |
| alpine 3.24 | xorg-server, xwayland | 21.1.22-r0 und 1 weitere |
| alpine edge | xorg-server, xwayland | 21.1.22-r0 und 1 weitere |
| amazon linux 2023 | tigervnc, tigervnc-debuginfo, tigervnc-debugsource und 26 weitere | 1.14.1-3.amzn2023.0.5 und 2 weitere |
| chainguard | xorg-server | 21.1.22-r0 |
| debian 11 | xorg-server | 2:1.20.11-1+deb11u18 |
| debian 12 | xorg-server, xwayland | 2:21.1.7-3+deb12u12 |
| debian 13 | xorg-server, xwayland | 2:21.1.16-1.3+deb13u2 |
| debian 14 | xorg-server, xwayland | 2:21.1.22-1 und 1 weitere |
| echo | xorg-server, xwayland | 2:21.1.7-3+deb12u12 |
| Oracle Linux 7 | tigervnc, tigervnc-icons, tigervnc-license und 13 weitere | 1.8.0-33.0.11.el7_9 und 1 weitere |
Alle 188 Einträge aus 34 Quellen zeigen
| Quelle | Paket | Behoben in |
|---|---|---|
| alma 9 | tigervnc | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-icons | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-license | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-selinux | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-server | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-server-minimal | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-server-module | 1.15.0-7.el9_8.1 |
| alpine 3.23 | xorg-server | 21.1.22-r0 |
| alpine 3.23 | xwayland | 24.1.10-r0 |
| alpine 3.24 | xorg-server | 21.1.22-r0 |
| alpine 3.24 | xwayland | 24.1.10-r0 |
| alpine edge | xorg-server | 21.1.22-r0 |
| alpine edge | xwayland | 24.1.10-r0 |
| amazon linux 2023 | tigervnc | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-debuginfo | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-debugsource | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-icons | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-license | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-selinux | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-server | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-server-debuginfo | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-server-minimal | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-server-minimal-debuginfo | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-server-module | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | tigervnc-server-module-debuginfo | 1.14.1-3.amzn2023.0.5 |
| amazon linux 2023 | xorg-x11-server-Xephyr | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xephyr-debuginfo | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xnest | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xnest-debuginfo | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xorg | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xorg-debuginfo | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xvfb | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xvfb-debuginfo | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-Xwayland | 24.1.3-1.amzn2023.0.4 |
| amazon linux 2023 | xorg-x11-server-Xwayland-debuginfo | 24.1.3-1.amzn2023.0.4 |
| amazon linux 2023 | xorg-x11-server-Xwayland-debugsource | 24.1.3-1.amzn2023.0.4 |
| amazon linux 2023 | xorg-x11-server-Xwayland-devel | 24.1.3-1.amzn2023.0.4 |
| amazon linux 2023 | xorg-x11-server-common | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-debuginfo | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-debugsource | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-devel | 21.1.13-5.amzn2023.0.9 |
| amazon linux 2023 | xorg-x11-server-source | 21.1.13-5.amzn2023.0.9 |
| chainguard | xorg-server | 21.1.22-r0 |
| debian 11 | xorg-server | 2:1.20.11-1+deb11u18 |
| debian 12 | xorg-server | 2:21.1.7-3+deb12u12 |
| debian 12 | xwayland | kein Fix angegeben |
| debian 13 | xorg-server | 2:21.1.16-1.3+deb13u2 |
| debian 13 | xwayland | kein Fix angegeben |
| debian 14 | xorg-server | 2:21.1.22-1 |
| debian 14 | xwayland | 2:24.1.10-1 |
| echo | xorg-server | 2:21.1.7-3+deb12u12 |
| echo | xwayland | kein Fix angegeben |
| Oracle Linux 7 | tigervnc | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-icons | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-license | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server-applet | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server-minimal | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server-module | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | xorg-x11-server-Xdmx | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-Xephyr | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-Xnest | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-Xorg | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-Xvfb | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-Xwayland | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-common | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-devel | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 7 | xorg-x11-server-source | 1.20.4-29.0.7.el7_9 |
| Oracle Linux 9 | tigervnc | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-icons | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-license | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-selinux | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-server | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-server-minimal | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-server-module | 1.15.0-7.el9_8.1 |
| rapidfort alma 8 | xorg-x11-server-devel | kein Fix angegeben |
| rapidfort alma 8 | xorg-x11-server-source | kein Fix angegeben |
| rapidfort alma 9 | tigervnc | 1.15.0-7.el9_8.1 |
| rapidfort alma 9 | tigervnc-icons | 1.15.0-7.el9_8.1 |
| rapidfort alma 9 | tigervnc-license | 1.15.0-7.el9_8.1 |
| rapidfort alma 9 | tigervnc-selinux | 1.15.0-7.el9_8.1 |
| rapidfort alma 9 | tigervnc-server | 1.15.0-7.el9_8.1 |
| rapidfort alma 9 | tigervnc-server-minimal | 1.15.0-7.el9_8.1 |
| rapidfort alma 9 | tigervnc-server-module | 1.15.0-7.el9_8.1 |
| rapidfort alma 9 | xorg-x11-server-Xwayland-devel | kein Fix angegeben |
| rapidfort alma 9 | xorg-x11-server-devel | kein Fix angegeben |
| rapidfort alma 9 | xorg-x11-server-source | kein Fix angegeben |
| rapidfort alpine 3.20 | xorg-server | 21.1.22-r0 |
| rapidfort alpine 3.20 | xwayland | 24.1.10-r0 |
| rapidfort alpine 3.21 | xorg-server | 21.1.22-r0 |
| rapidfort alpine 3.21 | xwayland | 24.1.10-r0 |
| rapidfort alpine 3.22 | xorg-server | 21.1.22-r0 |
| rapidfort alpine 3.22 | xwayland | 24.1.10-r0 |
| rapidfort alpine 3.23 | xorg-server | 21.1.22-r0 |
| rapidfort alpine 3.23 | xwayland | 24.1.10-r0 |
| rapidfort alpine 3.24 | xorg-server | 21.1.22-r0 |
| rapidfort alpine 3.24 | xwayland | 24.1.10-r0 |
| rapidfort amazon linux 2023 | tigervnc | 1.14.1-3.amzn2023.0.5 |
| rapidfort amazon linux 2023 | tigervnc-icons | 1.14.1-3.amzn2023.0.5 |
| rapidfort amazon linux 2023 | tigervnc-license | 1.14.1-3.amzn2023.0.5 |
| rapidfort amazon linux 2023 | tigervnc-selinux | 1.14.1-3.amzn2023.0.5 |
| rapidfort amazon linux 2023 | tigervnc-server | 1.14.1-3.amzn2023.0.5 |
| rapidfort amazon linux 2023 | tigervnc-server-minimal | 1.14.1-3.amzn2023.0.5 |
| rapidfort amazon linux 2023 | tigervnc-server-module | 1.14.1-3.amzn2023.0.5 |
| rapidfort amazon linux 2023 | xorg-x11-server-Xephyr | 21.1.13-5.amzn2023.0.9 |
| rapidfort amazon linux 2023 | xorg-x11-server-Xnest | 21.1.13-5.amzn2023.0.9 |
| rapidfort amazon linux 2023 | xorg-x11-server-Xorg | 21.1.13-5.amzn2023.0.9 |
| rapidfort amazon linux 2023 | xorg-x11-server-Xvfb | 21.1.13-5.amzn2023.0.9 |
| rapidfort amazon linux 2023 | xorg-x11-server-Xwayland | 24.1.3-1.amzn2023.0.4 |
| rapidfort amazon linux 2023 | xorg-x11-server-Xwayland-devel | 24.1.3-1.amzn2023.0.4 |
| rapidfort amazon linux 2023 | xorg-x11-server-common | 21.1.13-5.amzn2023.0.9 |
| rapidfort amazon linux 2023 | xorg-x11-server-devel | 21.1.13-5.amzn2023.0.9 |
| rapidfort amazon linux 2023 | xorg-x11-server-source | 21.1.13-5.amzn2023.0.9 |
| rapidfort debian 12 | xorg-server | 2:21.1.16-1.3+deb13u2, 2:21.1.22-1 |
| rapidfort debian 12 | xwayland | 2:24.1.10-1 |
| rapidfort debian 13 | xorg-server | 2:21.1.16-1.3+deb13u2, 2:21.1.22-1 |
| rapidfort debian 13 | xwayland | 2:24.1.10-1 |
| rapidfort fedora 43 | tigervnc | 1.16.2-2.fc43 |
| rapidfort fedora 43 | tigervnc-icons | 1.16.2-2.fc43 |
| rapidfort fedora 43 | tigervnc-license | 1.16.2-2.fc43 |
| rapidfort fedora 43 | tigervnc-selinux | 1.16.2-2.fc43 |
| rapidfort fedora 43 | tigervnc-server | 1.16.2-2.fc43 |
| rapidfort fedora 43 | tigervnc-server-minimal | 1.16.2-2.fc43 |
| rapidfort fedora 43 | tigervnc-server-module | 1.16.2-2.fc43 |
| rapidfort fedora 43 | xorg-x11-server | 21.1.22-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-Xephyr | 21.1.22-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-Xnest | 21.1.22-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-Xorg | 21.1.22-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-Xvfb | 21.1.22-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-Xwayland | 24.1.10-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-Xwayland-devel | 24.1.10-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-common | 21.1.22-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-devel | 21.1.22-1.fc43 |
| rapidfort fedora 43 | xorg-x11-server-source | 21.1.22-1.fc43 |
| rapidfort Oracle Linux 10 | xorg-x11-server-Xwayland | 0:24.1.5-6.el10_0 |
| rapidfort Oracle Linux 10 | xorg-x11-server-Xwayland-devel | 0:24.1.5-6.el10_0 |
| rapidfort Oracle Linux 9 | tigervnc | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-icons | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-license | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-selinux | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-server | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-server-minimal | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-server-module | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | xorg-x11-server-Xdmx | 0:1.20.11-13.el9_0 |
| rapidfort Oracle Linux 9 | xorg-x11-server-Xephyr | 0:1.20.11-13.el9_0 |
| rapidfort Oracle Linux 9 | xorg-x11-server-Xnest | 0:1.20.11-13.el9_0 |
| rapidfort Oracle Linux 9 | xorg-x11-server-Xorg | 0:1.20.11-13.el9_0 |
| rapidfort Oracle Linux 9 | xorg-x11-server-Xvfb | 0:1.20.11-13.el9_0 |
| rapidfort Oracle Linux 9 | xorg-x11-server-Xwayland | 0:21.1.3-5.el9_0 |
| rapidfort Oracle Linux 9 | xorg-x11-server-Xwayland-devel | kein Fix angegeben |
| rapidfort Oracle Linux 9 | xorg-x11-server-common | 0:1.20.11-13.el9_0 |
| rapidfort Oracle Linux 9 | xorg-x11-server-devel | kein Fix angegeben |
| rapidfort Oracle Linux 9 | xorg-x11-server-source | kein Fix angegeben |
| rapidfort Red Hat 9 | xorg-x11-server-Xwayland-devel | kein Fix angegeben |
| rapidfort Red Hat 9 | xorg-x11-server-devel | kein Fix angegeben |
| rapidfort Red Hat 9 | xorg-x11-server-source | kein Fix angegeben |
| rapidfort rocky 8 | xorg-x11-server-devel | kein Fix angegeben |
| rapidfort rocky 9 | xorg-x11-server-Xwayland-devel | kein Fix angegeben |
| rapidfort rocky 9 | xorg-x11-server-devel | kein Fix angegeben |
| Red Hat | tigervnc | kein Fix angegeben |
| Red Hat | tigervnc-icons | kein Fix angegeben |
| Red Hat | tigervnc-license | kein Fix angegeben |
| Red Hat | tigervnc-selinux | kein Fix angegeben |
| Red Hat | tigervnc-server | kein Fix angegeben |
| Red Hat | tigervnc-server-applet | kein Fix angegeben |
| Red Hat | tigervnc-server-minimal | kein Fix angegeben |
| Red Hat | tigervnc-server-module | kein Fix angegeben |
| Red Hat | xorg-x11-server | kein Fix angegeben |
| Red Hat | xorg-x11-server-Xdmx | kein Fix angegeben |
| Red Hat | xorg-x11-server-Xephyr | kein Fix angegeben |
| Red Hat | xorg-x11-server-Xnest | kein Fix angegeben |
| Red Hat | xorg-x11-server-Xorg | kein Fix angegeben |
| Red Hat | xorg-x11-server-Xvfb | kein Fix angegeben |
| Red Hat | xorg-x11-server-Xwayland | kein Fix angegeben |
| Red Hat | xorg-x11-server-Xwayland-devel | kein Fix angegeben |
| Red Hat | xorg-x11-server-common | kein Fix angegeben |
| Red Hat | xorg-x11-server-devel | kein Fix angegeben |
| Red Hat | xorg-x11-server-source | kein Fix angegeben |
| rocky 9 | tigervnc | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-icons | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-license | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-selinux | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-server | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-server-minimal | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-server-module | 1.15.0-7.el9_8.1 |
| root.io debian 11 | rootio-xorg-server | kein Fix angegeben |
| root.io debian 12 | rootio-xorg-server | 2:21.1.7-3+deb12u12 |
| wolfi | xorg-server | 21.1.22-r0 |
Referenzen
- https://access.redhat.com/errata/RHSA-2026:19342
- https://access.redhat.com/errata/RHSA-2026:20547
- https://access.redhat.com/errata/RHSA-2026:20555
- https://access.redhat.com/errata/RHSA-2026:20557
- https://access.redhat.com/errata/RHSA-2026:20558
- https://access.redhat.com/errata/RHSA-2026:20560
- https://access.redhat.com/errata/RHSA-2026:20561
- https://access.redhat.com/errata/RHSA-2026:20562
Alle 48 Referenzen
- https://access.redhat.com/errata/RHSA-2026:20563
- https://access.redhat.com/errata/RHSA-2026:20575
- https://access.redhat.com/errata/RHSA-2026:20576
- https://access.redhat.com/errata/RHSA-2026:20590
- https://access.redhat.com/errata/RHSA-2026:21699
- https://access.redhat.com/errata/RHSA-2026:21712
- https://access.redhat.com/errata/RHSA-2026:21715
- https://access.redhat.com/errata/RHSA-2026:21716
- https://access.redhat.com/errata/RHSA-2026:21718
- https://access.redhat.com/errata/RHSA-2026:21741
- https://access.redhat.com/errata/RHSA-2026:21742
- https://access.redhat.com/errata/RHSA-2026:22424
- https://access.redhat.com/errata/RHSA-2026:22456
- https://access.redhat.com/errata/RHSA-2026:23254
- https://access.redhat.com/errata/RHSA-2026:23255
- https://access.redhat.com/errata/RHSA-2026:23496
- https://access.redhat.com/errata/RHSA-2026:24341
- https://access.redhat.com/security/cve/CVE-2026-34000
- https://bugzilla.redhat.com/2451106
- https://bugzilla.redhat.com/2451107
- https://bugzilla.redhat.com/2451109
- https://bugzilla.redhat.com/2451113
- https://bugzilla.redhat.com/2452022
- https://bugzilla.redhat.com/show_bug.cgi?id=2451106
- https://bugzilla.redhat.com/show_bug.cgi?id=2451107
- https://bugzilla.redhat.com/show_bug.cgi?id=2451109
- https://bugzilla.redhat.com/show_bug.cgi?id=2451113
- https://bugzilla.redhat.com/show_bug.cgi?id=2452022
- https://creativecommons.org/licenses/by/4.0/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-33999
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34000
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34001
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34003
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34352
- https://errata.almalinux.org/9/ALSA-2026-19342.html
- https://errata.rockylinux.org/RLSA-2026:19342
- https://linux.oracle.com/cve/CVE-2026-34000.html
- https://linux.oracle.com/errata/ELSA-2026-22456.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-34000
- https://www.cve.org/CVERecord?id=CVE-2026-34000