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Fencer Vulns
high 7.8

CVE-2025-49180 json

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension

published 2025-06-17 16 mo ago modified 2026-11-04 4 d ago also EUVD-2025-18511

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate.

Patch / fix

  • X.Org xwayland 24.1.7
  • Red Hat Red Hat Enterprise Linux 10 0:24.1.5-4.el10_0
  • Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION 0:1.1.0-25.el6_10.1
  • Red Hat Red Hat Enterprise Linux 7.7 Advanced Update Support 0:1.8.0-17.el7_7.1
  • Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.8.0-36.el7_9.2, 0:1.20.4-32.el7_9
  • Red Hat Red Hat Enterprise Linux 8 0:1.15.0-7.el8_10, 0:1.20.11-26.el8_10, 0:21.1.3-18.el8_10
  • Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 0:1.9.0-15.el8_2.14, 0:1.20.6-4.el8_2
  • Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:1.11.0-8.el8_4.13, 0:1.20.10-2.el8_4
  • Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:1.11.0-8.el8_4.13, 0:1.20.10-2.el8_4
  • Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:1.12.0-6.el8_6.14, 0:1.20.11-5.el8_6.3, 0:21.1.3-2.el8_6.4
  • Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:1.12.0-6.el8_6.14, 0:21.1.3-2.el8_6.4
  • Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:1.12.0-6.el8_6.14, 0:1.20.11-5.el8_6.3, 0:21.1.3-2.el8_6.4
  • Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:1.12.0-6.el8_6.14, 0:1.20.11-5.el8_6.3, 0:21.1.3-2.el8_6.4
  • Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On 0:1.20.11-16.el8_8, 0:21.1.3-11.el8_8
  • Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:1.12.0-15.el8_8.14, 0:1.20.11-16.el8_8, 0:21.1.3-11.el8_8
  • Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:1.12.0-15.el8_8.14, 0:1.20.11-16.el8_8, 0:21.1.3-11.el8_8
  • Red Hat Red Hat Enterprise Linux 9 0:1.14.1-8.el9_6, 0:1.20.11-31.el9_6, 0:23.2.7-4.el9_6
  • Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:1.11.0-22.el9_0.15, 0:1.20.11-11.el9_0, 0:21.1.3-3.el9_0
  • Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:1.12.0-14.el9_2.12, 0:1.20.11-18.el9_2, 0:21.1.3-8.el9_2
  • Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:1.13.1-8.el9_4.7, 0:1.20.11-26.el9_4, 0:22.1.9-6.el9_4
  • xwayland Debian 14 2:24.1.8-1
  • xorg-server Debian 12 2:21.1.7-3+deb12u10
  • xorg-server Debian 14, Debian 13 2:21.1.16-1.2

debian advisories DEBIAN-CVE-2025-49180

  • xwayland Ubuntu 22.04 LTS 2:22.1.1-1ubuntu0.19
  • xwayland Ubuntu 24.04 LTS 2:23.2.6-1ubuntu0.6
  • xwayland Ubuntu 26.04 LTS, Ubuntu 25.10 2:24.1.6-1ubuntu1
  • xorg-server Ubuntu 22.04 LTS 2:21.1.4-2ubuntu1.7~22.04.15
  • xorg-server Ubuntu 24.04 LTS 2:21.1.12-1ubuntu1.4
  • xorg-server Ubuntu 26.04 LTS, Ubuntu 25.10 2:21.1.18-1ubuntu1
  • xorg-server Ubuntu Pro 16.04 LTS 2:1.18.4-0ubuntu0.12+esm18
  • xorg-server Ubuntu Pro 18.04 LTS 2:1.19.6-1ubuntu4.15+esm13

ubuntu advisories UBUNTU-CVE-2025-49180

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • tigervnc RHEL 8 1.15.0-7.el8_10
  • tigervnc-icons RHEL 8 1.15.0-7.el8_10
  • tigervnc-server RHEL 8 1.15.0-7.el8_10
  • tigervnc-license RHEL 8 1.15.0-7.el8_10
  • tigervnc-selinux RHEL 8 1.15.0-7.el8_10
  • tigervnc-server-module RHEL 8 1.15.0-7.el8_10
  • tigervnc-server-minimal RHEL 8 1.15.0-7.el8_10
  • tigervnc RHEL 9 1.14.1-8.el9_6

red hat advisories RHSA-2025:10410RHSA-2025:10381RHSA-2025:10378RHSA-2025:10377RHSA-2025:10376RHSA-2025:10374

  • xorg-x11-server SLE Module for Development Tools 15 SP7, SLE Module for Basesystem 15 SP7 21.1.15-150700.5.3.1
  • xorg-x11-server SLE Module for Development Tools 15 SP6, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 21.1.11-150600.5.12.1
  • xorg-x11-server SLES for SAP 15 SP5, SLES 15 SP5-LTSS, SLE High Performance Computing 15 SP5-LTSS +1 more 21.1.4-150500.7.35.1
  • xorg-x11-server SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +3 more 1.20.3-150400.38.57.1
  • xorg-x11-server SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Workstation Extension 15 SP7 +3 more 1.20.3-150200.22.5.105.1
  • xwayland SLE Workstation Extension 15 SP7 24.1.5-150700.3.3.1
  • xwayland SLE Workstation Extension 15 SP6, openSUSE Leap 15.6 24.1.1-150600.5.12.1
  • xorg-x11-server SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 1.19.6-10.83.1

suse advisories SUSE-SU-2025:02012-1SUSE-SU-2025:01981-1SUSE-SU-2025:01980-1SUSE-SU-2025:01979-1SUSE-SU-2025:01978-1SUSE-SU-2025:01977-1

  • xorg-x11-server openSUSE Tumbleweed 21.1.15-6.1
  • xwayland openSUSE Tumbleweed 24.1.8-1.1

opensuse advisories openSUSE-SU-2025:15310-1openSUSE-SU-2025:15311-1

  • xorg-x11-server-Xwayland AlmaLinux 9 23.2.7-4.el9_6
  • xorg-x11-server-Xdmx AlmaLinux 9 1.20.11-31.el9_6
  • xorg-x11-server-Xorg AlmaLinux 9 1.20.11-31.el9_6
  • xorg-x11-server-Xvfb AlmaLinux 9 1.20.11-31.el9_6
  • xorg-x11-server-Xnest AlmaLinux 9 1.20.11-31.el9_6
  • xorg-x11-server-common AlmaLinux 9 1.20.11-31.el9_6
  • xorg-x11-server-source AlmaLinux 9 1.20.11-31.el9_6
  • xorg-x11-server-Xephyr AlmaLinux 9 1.20.11-31.el9_6

almalinux advisories ALSA-2025:9303ALSA-2025:9304ALSA-2025:9305ALSA-2025:9306ALSA-2025:9392

  • xorg-x11-server Rocky Linux 9 1.20.11-31.el9_6
  • xorg-x11-server-Xwayland Rocky Linux 9 23.2.7-4.el9_6
  • tigervnc Rocky Linux 9 1.14.1-8.el9_6
  • xorg-x11-server-Xwayland Rocky Linux 10 24.1.5-4.el10_0
  • xorg-x11-server Rocky Linux 8 1.20.11-26.el8_10
  • xorg-x11-server-Xwayland Rocky Linux 8 21.1.3-18.el8_10
  • tigervnc Rocky Linux 8 1.15.0-7.el8_10

rocky linux advisories RLSA-2025:9303RLSA-2025:9306RLSA-2025:9304RLSA-2025:9305RLSA-2025:9392

  • xwayland Alpine 3.24, Alpine 3.23, Alpine 3.22 24.1.7-r0
  • xorg-server Alpine 3.24, Alpine 3.23, Alpine 3.22 21.1.17-r0

alpine advisories ALPINE-CVE-2025-49180

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xorg-x11-server CBL-Mariner 2.0 1.20.10-16
  • xorg-x11-server-Xwayland Azure Linux 3.0 24.1.6-2

azure linux advisories AZL-64227AZL-64262

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-49180 updated cvss 7.8

xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer Overflow in X Resize, Rotate and Reflect (RandR) Extension

  • Red Hat Enterprise Linux 6 xorg-x11-server, xorg-x11-server-Xdmx, xorg-x11-server-Xorg, xorg-x11-server-Xvfb, xorg-x11-server-Xnest, xorg-x11-server-common, +2 more
    affected: workaround, no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder EUS (v.9.4) xorg-x11-server-source 1.20.11-26.el9_4
    fixed: vendor fix RHSA-2025:10351
  • Red Hat Enterprise Linux AppStream (v. 8) tigervnc 1.15.0-7.el8_10, tigervnc-icons 1.15.0-7.el8_10, tigervnc-server 1.15.0-7.el8_10, tigervnc-license 1.15.0-7.el8_10, tigervnc-selinux 1.15.0-7.el8_10, xorg-x11-server 1.20.11-26.el8_10, +9 more
    fixed: vendor fix RHSA-2025:9392
  • Red Hat Enterprise Linux AppStream (v. 9) tigervnc 1.14.1-8.el9_6, tigervnc-icons 1.14.1-8.el9_6, tigervnc-server 1.14.1-8.el9_6, tigervnc-license 1.14.1-8.el9_6, tigervnc-selinux 1.14.1-8.el9_6, xorg-x11-server 1.20.11-31.el9_6, +9 more
    fixed: vendor fix RHSA-2025:9306
  • Red Hat Enterprise Linux AppStream (v. 10) xorg-x11-server-Xwayland 24.1.5-4.el10_0
    fixed: vendor fix RHSA-2025:9304
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) tigervnc 1.9.0-15.el8_2.14, xorg-x11-server 1.20.6-4.el8_2, tigervnc-icons 1.9.0-15.el8_2.14, tigervnc-server 1.9.0-15.el8_2.14, tigervnc-license 1.9.0-15.el8_2.14, xorg-x11-server-Xdmx 1.20.6-4.el8_2, +9 more
    fixed: vendor fix RHSA-2025:10378
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) tigervnc 1.11.0-8.el8_4.13, xorg-x11-server 1.20.10-2.el8_4, tigervnc-icons 1.11.0-8.el8_4.13, tigervnc-server 1.11.0-8.el8_4.13, tigervnc-license 1.11.0-8.el8_4.13, tigervnc-selinux 1.11.0-8.el8_4.13, +9 more
    fixed: vendor fix RHSA-2025:10349
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) tigervnc 1.12.0-6.el8_6.14, tigervnc-icons 1.12.0-6.el8_6.14, tigervnc-server 1.12.0-6.el8_6.14, xorg-x11-server 1.20.11-5.el8_6.3, tigervnc-license 1.12.0-6.el8_6.14, tigervnc-selinux 1.12.0-6.el8_6.14, +9 more Red Hat Enterprise Linux AppStream E4S (v.8.6) tigervnc 1.12.0-6.el8_6.14, tigervnc-icons 1.12.0-6.el8_6.14, tigervnc-server 1.12.0-6.el8_6.14, xorg-x11-server 1.20.11-5.el8_6.3, tigervnc-license 1.12.0-6.el8_6.14, tigervnc-selinux 1.12.0-6.el8_6.14, +9 more
    fixed: vendor fix RHSA-2025:10344
show 18 more
  • Red Hat Enterprise Linux AppStream E4S (v.8.8) tigervnc 1.12.0-15.el8_8.14, xorg-x11-server 1.20.11-16.el8_8, tigervnc-icons 1.12.0-15.el8_8.14, tigervnc-server 1.12.0-15.el8_8.14, tigervnc-license 1.12.0-15.el8_8.14, tigervnc-selinux 1.12.0-15.el8_8.14, +9 more
    fixed: vendor fix RHSA-2025:10355
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) tigervnc 1.11.0-22.el9_0.15, xorg-x11-server 1.20.11-11.el9_0, tigervnc-icons 1.11.0-22.el9_0.15, tigervnc-server 1.11.0-22.el9_0.15, tigervnc-license 1.11.0-22.el9_0.15, tigervnc-selinux 1.11.0-22.el9_0.15, +9 more
    fixed: vendor fix RHSA-2025:10381
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) tigervnc 1.12.0-14.el9_2.12, xorg-x11-server 1.20.11-18.el9_2, tigervnc-icons 1.12.0-14.el9_2.12, tigervnc-server 1.12.0-14.el9_2.12, tigervnc-license 1.12.0-14.el9_2.12, tigervnc-selinux 1.12.0-14.el9_2.12, +9 more
    fixed: vendor fix RHSA-2025:10410
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) tigervnc 1.13.1-8.el9_4.7, tigervnc-icons 1.13.1-8.el9_4.7, tigervnc-server 1.13.1-8.el9_4.7, xorg-x11-server 1.20.11-26.el9_4, tigervnc-license 1.13.1-8.el9_4.7, tigervnc-selinux 1.13.1-8.el9_4.7, +9 more
    fixed: vendor fix RHSA-2025:10374
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) tigervnc 1.11.0-8.el8_4.13, xorg-x11-server 1.20.10-2.el8_4, tigervnc-icons 1.11.0-8.el8_4.13, tigervnc-server 1.11.0-8.el8_4.13, tigervnc-license 1.11.0-8.el8_4.13, tigervnc-selinux 1.11.0-8.el8_4.13, +9 more
    fixed: vendor fix RHSA-2025:10349
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) tigervnc 1.12.0-6.el8_6.14, tigervnc-icons 1.12.0-6.el8_6.14, tigervnc-server 1.12.0-6.el8_6.14, tigervnc-license 1.12.0-6.el8_6.14, tigervnc-selinux 1.12.0-6.el8_6.14, tigervnc-server-module 1.12.0-6.el8_6.14, +2 more
    fixed: vendor fix RHSA-2025:10344
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.8) xorg-x11-server 1.20.11-16.el8_8, xorg-x11-server-Xdmx 1.20.11-16.el8_8, xorg-x11-server-Xorg 1.20.11-16.el8_8, xorg-x11-server-Xvfb 1.20.11-16.el8_8, xorg-x11-server-Xnest 1.20.11-16.el8_8, xorg-x11-server-common 1.20.11-16.el8_8, +2 more
    fixed: vendor fix RHSA-2025:10343
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) tigervnc 1.12.0-6.el8_6.14, tigervnc-icons 1.12.0-6.el8_6.14, tigervnc-server 1.12.0-6.el8_6.14, xorg-x11-server 1.20.11-5.el8_6.3, tigervnc-license 1.12.0-6.el8_6.14, tigervnc-selinux 1.12.0-6.el8_6.14, +9 more
    fixed: vendor fix RHSA-2025:10344
  • Red Hat Enterprise Linux AppStream TUS (v.8.8) tigervnc 1.12.0-15.el8_8.14, xorg-x11-server 1.20.11-16.el8_8, tigervnc-icons 1.12.0-15.el8_8.14, tigervnc-server 1.12.0-15.el8_8.14, tigervnc-license 1.12.0-15.el8_8.14, tigervnc-selinux 1.12.0-15.el8_8.14, +9 more
    fixed: vendor fix RHSA-2025:10355
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) xorg-x11-server-source 1.20.11-31.el9_6, xorg-x11-server-Xwayland 23.2.7-4.el9_6
    fixed: vendor fix RHSA-2025:9303
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) xorg-x11-server-Xwayland-devel 24.1.5-4.el10_0, xorg-x11-server-Xwayland-debuginfo 24.1.5-4.el10_0, xorg-x11-server-Xwayland-debugsource 24.1.5-4.el10_0
    fixed: vendor fix RHSA-2025:9304
  • Red Hat Enterprise Linux CRB (v. 8) xorg-x11-server-source 1.20.11-26.el8_10
    fixed: vendor fix RHSA-2025:9305
  • Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) tigervnc 1.1.0-25.el6_10.1, tigervnc-server 1.1.0-25.el6_10.1
    fixed: vendor fix RHSA-2025:10377
  • Red Hat Enterprise Linux Server (v. 7 ELS) tigervnc 1.8.0-36.el7_9.2, tigervnc-icons 1.8.0-36.el7_9.2, xorg-x11-server 1.20.4-32.el7_9, tigervnc-server 1.8.0-36.el7_9.2, tigervnc-license 1.8.0-36.el7_9.2, xorg-x11-server-Xorg 1.20.4-32.el7_9, +3 more
    fixed: vendor fix RHSA-2025:10375
  • Red Hat Enterprise Linux Server AUS (v. 7.7) tigervnc 1.8.0-17.el7_7.1, tigervnc-icons 1.8.0-17.el7_7.1, tigervnc-server 1.8.0-17.el7_7.1, tigervnc-license 1.8.0-17.el7_7.1, tigervnc-server-minimal 1.8.0-17.el7_7.1
    fixed: vendor fix RHSA-2025:10376
  • Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) tigervnc-server-applet 1.1.0-25.el6_10.1, tigervnc-server-module 1.1.0-25.el6_10.1
    fixed: vendor fix RHSA-2025:10377
  • Red Hat Enterprise Linux Server Optional (v. 7 ELS) xorg-x11-server-Xdmx 1.20.4-32.el7_9, xorg-x11-server-Xvfb 1.20.4-32.el7_9, xorg-x11-server-Xnest 1.20.4-32.el7_9, xorg-x11-server-source 1.20.4-32.el7_9, tigervnc-server-applet 1.8.0-36.el7_9.2, tigervnc-server-module 1.8.0-36.el7_9.2, +1 more
    fixed: vendor fix RHSA-2025:10375
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.7) tigervnc-server-applet 1.8.0-17.el7_7.1, tigervnc-server-module 1.8.0-17.el7_7.1
    fixed: vendor fix RHSA-2025:10376

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
16 mo ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • X.Org xwayland
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
  • Red Hat Red Hat Enterprise Linux 7.7 Advanced Update Support
  • Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
  • Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  • Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
  • Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  • Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
  • Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
  • Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On
  • Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
  • Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 6

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.