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

7.8 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2025-49179

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension

High 7.3

CVE-2025-49178

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to bytes to ignore

Medium 5.5

Affected Vendor

X.Org

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Affected Software

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

Vulnerable Versions:

0, 0:24.1.5-4.el10_0, 0:1.1.0-25.el6_10.1, 0:1.8.0-17.el7_7.1, 0:1.20.4-32.el7_9, 0:1.8.0-36.el7_9.2, 0:1.20.11-26.el8_10, 0:21.1.3-18.el8_10, 0:1.15.0-7.el8_10, 0:1.9.0-15.el8_2.14, 0:1.20.6-4.el8_2, 0:1.20.10-2.el8_4, 0:1.11.0-8.el8_4.13, 0:1.12.0-6.el8_6.14, 0:21.1.3-2.el8_6.4, 0:1.20.11-5.el8_6.3, 0:1.20.11-16.el8_8, 0:21.1.3-11.el8_8, 0:1.12.0-15.el8_8.14, 0:1.20.11-31.el9_6, 0:23.2.7-4.el9_6, 0:1.14.1-8.el9_6, 0:21.1.3-3.el9_0, 0:1.20.11-11.el9_0, 0:1.11.0-22.el9_0.15, 0:21.1.3-8.el9_2, 0:1.20.11-18.el9_2, 0:1.12.0-14.el9_2.12, 0:22.1.9-6.el9_4, 0:1.20.11-26.el9_4, 0:1.13.1-8.el9_4.7