CVE-2023-0494

tigervnc: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment...

CVE-2023-0494 is fixed in 42 products on 1 platform, first by xdmx 2:1.19.6-1ubuntu4.14, released February 6, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0090
59th percentile

Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. Security Fix(es): * xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation (CVE-2023-0494) 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.

Where it's fixed

ProductFixed inFixReleased
Linux
tigervnc · RHEL 8 0:1.12.0-9.el8_7.1 RHSA-2023:0662 Feb 8, 2023
tigervnc · RHEL 9 0:1.12.0-5.el9_1.1 RHSA-2023:0622 Feb 7, 2023
tigervnc · almalinux 8 1.12.0-9.el8_7.1 ALSA-2023:0662 Feb 8, 2023
tigervnc · almalinux 9 1.12.0-5.el9_1.1 ALSA-2023:0622 Feb 7, 2023
tigervnc · ol 8 0:1.12.0-9.el8_7.1 ELSA-2023-0662 Feb 8, 2023
tigervnc · ol 9 0:1.12.0-5.el9_1.1 ELSA-2023-0622 Feb 8, 2023
tigervnc · rocky 8 0:1.12.0-9.el8_7.1 RLSA-2023:0662 Feb 16, 2023
tigervnc · rocky 9 0:1.12.0-5.el9_1.1 RLSA-2023:0622 Feb 16, 2023
tigervnc-icons · RHEL 8 0:1.12.0-9.el8_7.1 RHSA-2023:0662 Feb 8, 2023
tigervnc-icons · RHEL 9 0:1.12.0-5.el9_1.1 RHSA-2023:0622 Feb 7, 2023
tigervnc-icons · almalinux 8 1.12.0-9.el8_7.1 ALSA-2023:0662 Feb 8, 2023
tigervnc-icons · almalinux 9 1.12.0-5.el9_1.1 ALSA-2023:0622 Feb 7, 2023
tigervnc-icons · ol 8 0:1.12.0-9.el8_7.1 ELSA-2023-0662 Feb 8, 2023
tigervnc-icons · ol 9 0:1.12.0-5.el9_1.1 ELSA-2023-0622 Feb 8, 2023
tigervnc-license · RHEL 8 0:1.12.0-9.el8_7.1 RHSA-2023:0662 Feb 8, 2023
tigervnc-license · RHEL 9 0:1.12.0-5.el9_1.1 RHSA-2023:0622 Feb 7, 2023
tigervnc-license · almalinux 8 1.12.0-9.el8_7.1 ALSA-2023:0662 Feb 8, 2023
tigervnc-license · almalinux 9 1.12.0-5.el9_1.1 ALSA-2023:0622 Feb 7, 2023
tigervnc-license · ol 8 0:1.12.0-9.el8_7.1 ELSA-2023-0662 Feb 8, 2023
tigervnc-license · ol 9 0:1.12.0-5.el9_1.1 ELSA-2023-0622 Feb 8, 2023
tigervnc-selinux · RHEL 8 0:1.12.0-9.el8_7.1 RHSA-2023:0662 Feb 8, 2023
tigervnc-selinux · RHEL 9 0:1.12.0-5.el9_1.1 RHSA-2023:0622 Feb 7, 2023
tigervnc-selinux · almalinux 8 1.12.0-9.el8_7.1 ALSA-2023:0662 Feb 8, 2023
tigervnc-selinux · almalinux 9 1.12.0-5.el9_1.1 ALSA-2023:0622 Feb 7, 2023
tigervnc-selinux · ol 8 0:1.12.0-9.el8_7.1 ELSA-2023-0662 Feb 8, 2023
tigervnc-selinux · ol 9 0:1.12.0-5.el9_1.1 ELSA-2023-0622 Feb 8, 2023
tigervnc-server · RHEL 8 0:1.12.0-9.el8_7.1 RHSA-2023:0662 Feb 8, 2023
tigervnc-server · RHEL 9 0:1.12.0-5.el9_1.1 RHSA-2023:0622 Feb 7, 2023
tigervnc-server · almalinux 8 1.12.0-9.el8_7.1 ALSA-2023:0662 Feb 8, 2023
tigervnc-server · almalinux 9 1.12.0-5.el9_1.1 ALSA-2023:0622 Feb 7, 2023
tigervnc-server · ol 8 0:1.12.0-9.el8_7.1 ELSA-2023-0662 Feb 8, 2023
tigervnc-server · ol 9 0:1.12.0-5.el9_1.1 ELSA-2023-0622 Feb 8, 2023
tigervnc-server-minimal · RHEL 8 0:1.12.0-9.el8_7.1 RHSA-2023:0662 Feb 8, 2023
tigervnc-server-minimal · RHEL 9 0:1.12.0-5.el9_1.1 RHSA-2023:0622 Feb 7, 2023
tigervnc-server-minimal · almalinux 8 1.12.0-9.el8_7.1 ALSA-2023:0662 Feb 8, 2023
tigervnc-server-minimal · almalinux 9 1.12.0-5.el9_1.1 ALSA-2023:0622 Feb 7, 2023
tigervnc-server-minimal · ol 8 0:1.12.0-9.el8_7.1 ELSA-2023-0662 Feb 8, 2023
tigervnc-server-minimal · ol 9 0:1.12.0-5.el9_1.1 ELSA-2023-0622 Feb 8, 2023
tigervnc-server-module · RHEL 8 0:1.12.0-9.el8_7.1 RHSA-2023:0662 Feb 8, 2023
tigervnc-server-module · RHEL 9 0:1.12.0-5.el9_1.1 RHSA-2023:0622 Feb 7, 2023
tigervnc-server-module · almalinux 8 1.12.0-9.el8_7.1 ALSA-2023:0662 Feb 8, 2023
tigervnc-server-module · almalinux 9 1.12.0-5.el9_1.1 ALSA-2023:0622 Feb 7, 2023
tigervnc-server-module · ol 8 0:1.12.0-9.el8_7.1 ELSA-2023-0662 Feb 8, 2023
tigervnc-server-module · ol 9 0:1.12.0-5.el9_1.1 ELSA-2023-0622 Feb 8, 2023
xdmx · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xdmx 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xdmx · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xdmx 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xdmx-tools · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xdmx-tools 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xdmx-tools · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xdmx-tools 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xmir · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xmir 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xnest · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xnest 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xnest · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xnest 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xnest · Ubuntu 22.04.1 LTS (jammy) 2:21.1.3-2ubuntu2.7 xnest 2:21.1.3-2ubuntu2.7 Feb 6, 2023
xorg-server · Debian 11.6 (bullseye) 2:1.20.11-1+deb11u5 DSA-5342-1 Feb 7, 2023
xorg-server · Debian 12.15 (bookworm) 2:21.1.7-1 DEBIAN-CVE-2023-0494 Mar 27, 2023
xorg-server · Debian 13.5 (trixie) 2:21.1.7-1 DEBIAN-CVE-2023-0494 Mar 27, 2023
xorg-server · Debian 14 2:21.1.7-1 DEBIAN-CVE-2023-0494 Mar 27, 2023
xorg-server-source · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xorg-server-source 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xorg-server-source · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xorg-server-source 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xorg-server-source · Ubuntu 22.04.1 LTS (jammy) 2:21.1.3-2ubuntu2.7 xorg-server-source 2:21.1.3-2ubuntu2.7 Feb 6, 2023
xorg-server-source-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) 2:1.20.8-2ubuntu2.2~18.04.10 xorg-server-source-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 Feb 6, 2023
xorg-x11-server-Xdmx · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-Xdmx · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-Xdmx · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-Xdmx · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-Xdmx · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xdmx · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-Xdmx · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xorg-x11-server-Xdmx-debuginfo · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xephyr · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-Xephyr · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-Xephyr · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-Xephyr · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-Xephyr · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xephyr · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-Xephyr · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xorg-x11-server-Xephyr-debuginfo · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xnest · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-Xnest · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-Xnest · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-Xnest · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-Xnest · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xnest · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-Xnest · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xorg-x11-server-Xnest-debuginfo · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xorg · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-Xorg · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-Xorg · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-Xorg · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-Xorg · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xorg · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-Xorg · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xorg-x11-server-Xorg-debuginfo · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xvfb · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-Xvfb · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-Xvfb · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-Xvfb · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-Xvfb · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xvfb · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-Xvfb · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xorg-x11-server-Xvfb-debuginfo · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-Xwayland · RHEL 8 0:21.1.3-10.el8 RHSA-2023:2805 May 16, 2023
xorg-x11-server-Xwayland · RHEL 9 0:21.1.3-7.el9 RHSA-2023:2249 May 9, 2023
xorg-x11-server-Xwayland · almalinux 8 21.1.3-10.el8 ALSA-2023:2805 May 16, 2023
xorg-x11-server-Xwayland · almalinux 9 21.1.3-7.el9 ALSA-2023:2249 May 9, 2023
xorg-x11-server-Xwayland · ol 8 0:21.1.3-10.el8 ELSA-2023-2805 May 24, 2023
xorg-x11-server-Xwayland · ol 9 0:21.1.3-7.el9 ELSA-2023-2249 May 15, 2023
xorg-x11-server-common · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-common · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-common · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-common · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-common · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-common · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-common · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xorg-x11-server-debuginfo · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-debugsource · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-devel · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-devel · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-devel · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-devel · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-devel · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-devel · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-devel · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xorg-x11-server-source · RHEL 8 0:1.20.11-15.el8 RHSA-2023:2806 May 16, 2023
xorg-x11-server-source · RHEL 9 0:1.20.11-17.el9 RHSA-2023:2248 May 9, 2023
xorg-x11-server-source · almalinux 8 1.20.11-15.el8 ALSA-2023:2806 May 16, 2023
xorg-x11-server-source · almalinux 9 1.20.11-17.el9 ALSA-2023:2248 May 9, 2023
xorg-x11-server-source · amzn 2023 1.20.14-18.amzn2023.0.1 ALAS2023-2023-131 Mar 11, 2023
xorg-x11-server-source · ol 8 0:1.20.11-15.el8 ELSA-2023-2806 May 24, 2023
xorg-x11-server-source · ol 9 0:1.20.11-17.el9 ELSA-2023-2248 May 15, 2023
xserver-common · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xserver-common 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xserver-common · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xserver-common 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xserver-common · Ubuntu 22.04.1 LTS (jammy) 2:21.1.3-2ubuntu2.7 xserver-common 2:21.1.3-2ubuntu2.7 Feb 6, 2023
xserver-xephyr · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xserver-xephyr 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xserver-xephyr · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xserver-xephyr 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xserver-xephyr · Ubuntu 22.04.1 LTS (jammy) 2:21.1.3-2ubuntu2.7 xserver-xephyr 2:21.1.3-2ubuntu2.7 Feb 6, 2023
xserver-xephyr-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) 2:1.20.8-2ubuntu2.2~18.04.10 xserver-xephyr-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 Feb 6, 2023
xserver-xorg-core · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xserver-xorg-core 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xserver-xorg-core · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xserver-xorg-core · Ubuntu 22.04.1 LTS (jammy) 2:21.1.3-2ubuntu2.7 xserver-xorg-core 2:21.1.3-2ubuntu2.7 Feb 6, 2023
xserver-xorg-core-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) 2:1.20.8-2ubuntu2.2~18.04.10 xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 Feb 6, 2023
xserver-xorg-dev-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) 2:1.20.8-2ubuntu2.2~18.04.10 xserver-xorg-dev-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 Feb 6, 2023
xserver-xorg-legacy · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xserver-xorg-legacy 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xserver-xorg-legacy · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xserver-xorg-legacy 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xserver-xorg-legacy · Ubuntu 22.04.1 LTS (jammy) 2:21.1.3-2ubuntu2.7 xserver-xorg-legacy 2:21.1.3-2ubuntu2.7 Feb 6, 2023
xserver-xorg-legacy-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) 2:1.20.8-2ubuntu2.2~18.04.10 xserver-xorg-legacy-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 Feb 6, 2023
xserver-xorg-xmir · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xserver-xorg-xmir 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xvfb · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xvfb 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xvfb · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xvfb 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xvfb · Ubuntu 22.04.1 LTS (jammy) 2:21.1.3-2ubuntu2.7 xvfb 2:21.1.3-2ubuntu2.7 Feb 6, 2023
xwayland · Debian 12.15 (bookworm) 2:22.1.8-1 DEBIAN-CVE-2023-0494 Mar 27, 2023
xwayland · Debian 13.5 (trixie) 2:22.1.8-1 DEBIAN-CVE-2023-0494 Mar 27, 2023
xwayland · Debian 14 2:22.1.8-1 DEBIAN-CVE-2023-0494 Mar 27, 2023
xwayland · Ubuntu 18.04.6 LTS (bionic) 2:1.19.6-1ubuntu4.14 xwayland 2:1.19.6-1ubuntu4.14 Feb 6, 2023
xwayland · Ubuntu 20.04 LTS (focal) 2:1.20.13-1ubuntu1~20.04.6 xwayland 2:1.20.13-1ubuntu1~20.04.6 Feb 6, 2023
xwayland · Ubuntu 22.04.1 LTS (jammy) 2:22.1.1-1ubuntu0.5 xwayland 2:22.1.1-1ubuntu0.5 Feb 6, 2023
xwayland-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) 2:1.20.8-2ubuntu2.2~18.04.10 xwayland-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 Feb 6, 2023

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.