# CVE-2025-49180: Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension

Status: published. Published: 2025-06-17. Updated: 2026-11-04.

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.

## Remediation

- workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. (source: CNA: redhat)

## Affected products and versions

- X.Org / xwayland (xwayland): ≥ 0; < 24.1.7 (affected, semver). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 10 (xorg-x11-server-Xwayland): ≥ 0:24.1.5-4.el10_0; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 Extended Lifecycle Support  - EXTENSION (tigervnc): ≥ 0:1.1.0-25.el6_10.1; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7.7 Advanced Update Support (tigervnc): ≥ 0:1.8.0-17.el7_7.1; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support (xorg-x11-server): ≥ 0:1.20.4-32.el7_9; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support (tigervnc): ≥ 0:1.8.0-36.el7_9.2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (xorg-x11-server): ≥ 0:1.20.11-26.el8_10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (xorg-x11-server-Xwayland): ≥ 0:21.1.3-18.el8_10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (tigervnc): ≥ 0:1.15.0-7.el8_10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.2 Advanced Update Support (tigervnc): ≥ 0:1.9.0-15.el8_2.14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.2 Advanced Update Support (xorg-x11-server): ≥ 0:1.20.6-4.el8_2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (xorg-x11-server): ≥ 0:1.20.10-2.el8_4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (tigervnc): ≥ 0:1.11.0-8.el8_4.13; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On (xorg-x11-server): ≥ 0:1.20.10-2.el8_4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On (tigervnc): ≥ 0:1.11.0-8.el8_4.13; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (tigervnc): ≥ 0:1.12.0-6.el8_6.14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (xorg-x11-server-Xwayland): ≥ 0:21.1.3-2.el8_6.4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (xorg-x11-server): ≥ 0:1.20.11-5.el8_6.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On (tigervnc): ≥ 0:1.12.0-6.el8_6.14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On (xorg-x11-server-Xwayland): ≥ 0:21.1.3-2.el8_6.4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (tigervnc): ≥ 0:1.12.0-6.el8_6.14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (xorg-x11-server-Xwayland): ≥ 0:21.1.3-2.el8_6.4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service (xorg-x11-server): ≥ 0:1.20.11-5.el8_6.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (tigervnc): ≥ 0:1.12.0-6.el8_6.14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (xorg-x11-server-Xwayland): ≥ 0:21.1.3-2.el8_6.4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions (xorg-x11-server): ≥ 0:1.20.11-5.el8_6.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On (xorg-x11-server): ≥ 0:1.20.11-16.el8_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On (xorg-x11-server-Xwayland): ≥ 0:21.1.3-11.el8_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service (xorg-x11-server): ≥ 0:1.20.11-16.el8_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service (tigervnc): ≥ 0:1.12.0-15.el8_8.14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service (xorg-x11-server-Xwayland): ≥ 0:21.1.3-11.el8_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (xorg-x11-server): ≥ 0:1.20.11-16.el8_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (tigervnc): ≥ 0:1.12.0-15.el8_8.14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (xorg-x11-server-Xwayland): ≥ 0:21.1.3-11.el8_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (xorg-x11-server): ≥ 0:1.20.11-31.el9_6; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (xorg-x11-server-Xwayland): ≥ 0:23.2.7-4.el9_6; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (tigervnc): ≥ 0:1.14.1-8.el9_6; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions (xorg-x11-server-Xwayland): ≥ 0:21.1.3-3.el9_0; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions (xorg-x11-server): ≥ 0:1.20.11-11.el9_0; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions (tigervnc): ≥ 0:1.11.0-22.el9_0.15; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions (xorg-x11-server-Xwayland): ≥ 0:21.1.3-8.el9_2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions (xorg-x11-server): ≥ 0:1.20.11-18.el9_2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions (tigervnc): ≥ 0:1.12.0-14.el9_2.12; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support (xorg-x11-server-Xwayland): ≥ 0:22.1.9-6.el9_4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support (xorg-x11-server): ≥ 0:1.20.11-26.el9_4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support (tigervnc): ≥ 0:1.13.1-8.el9_4.7; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 (xorg-x11-server): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: CNA: redhat

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: NVD: secalert@redhat.com

- CISA KEV: No listing in collected sources

- EPSS: 0.33% as of 2026-11-04; percentile 26.58%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-190

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2025:10258 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10342 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10343 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10344 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10346 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10347 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10348 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10349 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10350 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10351 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10352 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10355 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10356 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10360 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10370 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10374 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10375 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10376 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10377 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10378 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10381 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:10410 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:9303 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:9304 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:9305 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:9306 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:9392 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2025:9964 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2025-49180 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2369981 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://gitlab.freedesktop.org/xorg/xserver/-/commit/3c3a4b767b16174d3213055947ea7f4f88e10ec6 (CNA: redhat)

- https://lists.debian.org/debian-lts-announce/2025/06/msg00028.html (ADP: CVE)

- https://access.redhat.com/errata/RHSA-2025:10258 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10342 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10343 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10344 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10346 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10347 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10348 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10349 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10350 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10351 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10352 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10355 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10356 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10360 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10370 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10374 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10375 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10376 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10377 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10378 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10381 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:10410 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:9303 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:9304 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:9305 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:9306 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:9392 (secalert@redhat.com)

- https://access.redhat.com/errata/RHSA-2025:9964 (secalert@redhat.com)

- https://access.redhat.com/security/cve/CVE-2025-49180 (secalert@redhat.com)

- https://bugzilla.redhat.com/show_bug.cgi?id=2369981 (secalert@redhat.com)

- https://gitlab.freedesktop.org/xorg/xserver/-/commit/3c3a4b767b16174d3213055947ea7f4f88e10ec6 (secalert@redhat.com)

- https://lists.debian.org/debian-lts-announce/2025/06/msg00028.html (af854a3a-2127-422b-91ae-364da2661108)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2025-49180; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-49180; retrieved 2026-11-05; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2025-49180; retrieved 2026-11-04; source updated Not reported

Revision: 87e766591f232c771bc4d924b7b032e799acc401895a796d78575ba97af7b50e

Canonical: https://y2.dev/cve/CVE-2025-49180

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