CVE-2025-49177
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: data leak in xfixes extension's xfixessetclientdisconnectmode
CVE-2025-49177 is fixed in 40 products on 1 platform, first by xnest 2:21.1.4-2ubuntu1.7~22.04.15, released June 16, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0044
38th percentile
A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| tigervnc · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-debuginfo · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-debugsource · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-icons · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-license · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-selinux · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-server · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-server-debuginfo · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-server-minimal · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-server-minimal-debuginfo · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-server-module · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| tigervnc-server-module-debuginfo · amzn 2023 | 1.14.1-3.amzn2023.0.2 | ALAS2023-2025-1060 | Jul 3, 2025 |
| xnest · Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | xnest 2:21.1.4-2ubuntu1.7~22.04.15 | Jun 16, 2025 |
| xnest · Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | xnest 2:21.1.12-1ubuntu1.4 | Jun 16, 2025 |
| xnest · Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | xnest 2:21.1.13-2ubuntu1.4 | Jun 17, 2025 |
| xnest · Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | xnest 2:21.1.16-1ubuntu1.1 | Jun 17, 2025 |
| xnest · Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | xnest 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xnest · Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | xnest 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xorg-server · Debian 12.15 (bookworm) | 2:21.1.7-3+deb12u10 | DEBIAN-CVE-2025-49177 | Jun 17, 2025 |
| xorg-server · Debian 13.5 (trixie) | 2:21.1.16-1.2 | DEBIAN-CVE-2025-49177 | Jun 17, 2025 |
| xorg-server · Debian 14 | 2:21.1.16-1.2 | DEBIAN-CVE-2025-49177 | Jun 17, 2025 |
| xorg-server-source · Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | xorg-server-source 2:21.1.4-2ubuntu1.7~22.04.15 | Jun 16, 2025 |
| xorg-server-source · Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | xorg-server-source 2:21.1.12-1ubuntu1.4 | Jun 16, 2025 |
| xorg-server-source · Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | xorg-server-source 2:21.1.13-2ubuntu1.4 | Jun 17, 2025 |
| xorg-server-source · Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | xorg-server-source 2:21.1.16-1ubuntu1.1 | Jun 17, 2025 |
| xorg-server-source · Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | xorg-server-source 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xorg-server-source · Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | xorg-server-source 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xorg-x11-server · opensuse-leap 15.6 | 21.1.11-150600.5.12.1 | SUSE-SU-2025:01980-1 | Jun 17, 2025 |
| xorg-x11-server · sles 15.6 | 21.1.11-150600.5.12.1 | SUSE-SU-2025:01980-1 | Jun 17, 2025 |
| xorg-x11-server · sles 15.7 | 21.1.15-150700.5.3.1 | SUSE-SU-2025:01981-1 | Jun 17, 2025 |
| xorg-x11-server-Xdmx · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-Xephyr · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-Xephyr · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xephyr-debuginfo · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xnest · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-Xnest · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xnest-debuginfo · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xorg · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-Xorg · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xorg-debuginfo · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xvfb · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-Xvfb · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xvfb-debuginfo · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-Xwayland · RHEL 10 | 24.1.5-4.el10_0 | RHSA-2025:9304 | Jun 17, 2025 |
| xorg-x11-server-Xwayland · RHEL 9 | 0:23.2.7-4.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-Xwayland · almalinux 10 | 24.1.5-4.el10_0 | ALSA-2025:9304 | Jun 23, 2025 |
| xorg-x11-server-Xwayland · amzn 2023 | 24.1.3-1.amzn2023.0.2 | ALAS2023-2025-1062 | Jul 3, 2025 |
| xorg-x11-server-Xwayland · ol 10 | 0:24.1.5-4.el10_0 | ELSA-2025-9304 | Jun 26, 2025 |
| xorg-x11-server-Xwayland · rocky 10 | 0:24.1.5-4.el10_0 | RLSA-2025:9304 | Oct 3, 2025 |
| xorg-x11-server-Xwayland-debuginfo · amzn 2023 | 24.1.3-1.amzn2023.0.2 | ALAS2023-2025-1062 | Jul 3, 2025 |
| xorg-x11-server-Xwayland-debugsource · amzn 2023 | 24.1.3-1.amzn2023.0.2 | ALAS2023-2025-1062 | Jul 3, 2025 |
| xorg-x11-server-Xwayland-devel · RHEL 9 | 0:23.2.7-4.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-Xwayland-devel · almalinux 10 | 24.1.5-4.el10_0 | ALSA-2025:9304 | Jun 23, 2025 |
| xorg-x11-server-Xwayland-devel · amzn 2023 | 24.1.3-1.amzn2023.0.2 | ALAS2023-2025-1062 | Jul 3, 2025 |
| xorg-x11-server-Xwayland-devel · ol 10 | 0:24.1.5-4.el10_0 | ELSA-2025-9304 | Jun 26, 2025 |
| xorg-x11-server-common · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-common · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-debuginfo · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-debugsource · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-devel · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-devel · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xorg-x11-server-source · RHEL 9 | 0:1.20.11-31.el9_6 | RHSA-2025:9303 | Jun 23, 2025 |
| xorg-x11-server-source · amzn 2023 | 21.1.13-5.amzn2023.0.6 | ALAS2023-2025-1061 | Jul 3, 2025 |
| xserver-common · Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | xserver-common 2:21.1.4-2ubuntu1.7~22.04.15 | Jun 16, 2025 |
| xserver-common · Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | xserver-common 2:21.1.12-1ubuntu1.4 | Jun 16, 2025 |
| xserver-common · Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | xserver-common 2:21.1.13-2ubuntu1.4 | Jun 17, 2025 |
| xserver-common · Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | xserver-common 2:21.1.16-1ubuntu1.1 | Jun 17, 2025 |
| xserver-common · Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | xserver-common 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xserver-common · Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | xserver-common 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xserver-xephyr · Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.15 | Jun 16, 2025 |
| xserver-xephyr · Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | xserver-xephyr 2:21.1.12-1ubuntu1.4 | Jun 16, 2025 |
| xserver-xephyr · Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | xserver-xephyr 2:21.1.13-2ubuntu1.4 | Jun 17, 2025 |
| xserver-xephyr · Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | xserver-xephyr 2:21.1.16-1ubuntu1.1 | Jun 17, 2025 |
| xserver-xephyr · Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | xserver-xephyr 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xserver-xephyr · Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | xserver-xephyr 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xserver-xorg-core · Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.15 | Jun 16, 2025 |
| xserver-xorg-core · Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | xserver-xorg-core 2:21.1.12-1ubuntu1.4 | Jun 16, 2025 |
| xserver-xorg-core · Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | xserver-xorg-core 2:21.1.13-2ubuntu1.4 | Jun 17, 2025 |
| xserver-xorg-core · Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | xserver-xorg-core 2:21.1.16-1ubuntu1.1 | Jun 17, 2025 |
| xserver-xorg-core · Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | xserver-xorg-core 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xserver-xorg-core · Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | xserver-xorg-core 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xserver-xorg-legacy · Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | xserver-xorg-legacy 2:21.1.4-2ubuntu1.7~22.04.15 | Jun 16, 2025 |
| xserver-xorg-legacy · Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | xserver-xorg-legacy 2:21.1.12-1ubuntu1.4 | Jun 16, 2025 |
| xserver-xorg-legacy · Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | xserver-xorg-legacy 2:21.1.13-2ubuntu1.4 | Jun 17, 2025 |
| xserver-xorg-legacy · Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | xserver-xorg-legacy 2:21.1.16-1ubuntu1.1 | Jun 17, 2025 |
| xserver-xorg-legacy · Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | xserver-xorg-legacy 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xserver-xorg-legacy · Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | xserver-xorg-legacy 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xvfb · Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | xvfb 2:21.1.4-2ubuntu1.7~22.04.15 | Jun 16, 2025 |
| xvfb · Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | xvfb 2:21.1.12-1ubuntu1.4 | Jun 16, 2025 |
| xvfb · Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | xvfb 2:21.1.13-2ubuntu1.4 | Jun 17, 2025 |
| xvfb · Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | xvfb 2:21.1.16-1ubuntu1.1 | Jun 17, 2025 |
| xvfb · Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | xvfb 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xvfb · Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | xvfb 2:21.1.18-1ubuntu1 | Jun 16, 2025 |
| xwayland · Debian 14 | 2:24.1.8-1 | DEBIAN-CVE-2025-49177 | Jun 17, 2025 |
| xwayland · Ubuntu 22.04.1 LTS (jammy) | 2:22.1.1-1ubuntu0.19 | xwayland 2:22.1.1-1ubuntu0.19 | Jun 16, 2025 |
| xwayland · Ubuntu 24.04.5 LTS (noble) | 2:23.2.6-1ubuntu0.6 | xwayland 2:23.2.6-1ubuntu0.6 | Jun 16, 2025 |
| xwayland · Ubuntu 24.10 (oracular) | 2:24.1.2-1ubuntu0.6 | xwayland 2:24.1.2-1ubuntu0.6 | Jun 17, 2025 |
| xwayland · Ubuntu 25.04 (plucky) | 2:24.1.6-1ubuntu0.1 | xwayland 2:24.1.6-1ubuntu0.1 | Jun 17, 2025 |
| xwayland · Ubuntu 25.10 (questing) | 2:24.1.6-1ubuntu1 | xwayland 2:24.1.6-1ubuntu1 | Jun 16, 2025 |
| xwayland · Ubuntu 26.04.1 LTS (resolute) | 2:24.1.6-1ubuntu1 | xwayland 2:24.1.6-1ubuntu1 | Jun 16, 2025 |
| xwayland · opensuse-leap 15.6 | 24.1.1-150600.5.12.1 | SUSE-SU-2025:01974-1 | Jun 17, 2025 |
| xwayland · sles 15.6 | 24.1.1-150600.5.12.1 | SUSE-SU-2025:01974-1 | Jun 17, 2025 |
| xwayland · sles 15.7 | 24.1.5-150700.3.3.1 | SUSE-SU-2025:01975-1 | Jun 17, 2025 |
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