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HIGH

CVE-2025-49180

CVSS v3

7.8

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • tigervncAlmaLinux:9all versions · fixed in 1.14.1-8.el9_6and 6 other packages
  • tigervncAlmaLinux:8all versions · fixed in 1.15.0-7.el8_10and 6 other packages
  • xorg-x11-server-XdmxAlmaLinux:9all versions · fixed in 1.20.11-31.el9_6and 7 other packages
  • xorg-x11-server-XdmxAlmaLinux:8all versions · fixed in 1.20.11-26.el8_10and 7 other packages
  • xorg-x11-server-XwaylandAlmaLinux:10all versions · fixed in 24.1.5-4.el10_0and 1 other package
  • xorg-x11-server-XwaylandAlmaLinux:9all versions · fixed in 23.2.7-4.el9_6and 1 other package
  • xorg-x11-server-XwaylandAlmaLinux:8all versions · fixed in 21.1.3-18.el8_10

Vendor advisories

  • CVE-2025-49180 Red Hat Product Security1,166 products fixed · 9 known affected

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

    xorg-x11-server-Xdmx as a component of Red Hat Enterprise Linux 6 · xorg-x11-server-Xephyr as a component of Red Hat Enterprise Linux 6 · xorg-x11-server-Xnest as a component of Red Hat Enterprise Linux 6

  • RHSA-2025:10410 Red Hat Product Security40 products fixed

    Red Hat Security Advisory: tigervnc security update

  • RHSA-2025:10381 Red Hat Product Security40 products fixed

    Red Hat Security Advisory: tigervnc security update

  • RHSA-2025:10377 Red Hat Product Security15 products fixed

    Red Hat Security Advisory: tigervnc security update

  • RHSA-2025:10375 Red Hat Product Security26 products fixed

    Red Hat Security Advisory: tigervnc security update

  • RHSA-2025:10374 Red Hat Product Security40 products fixed

    Red Hat Security Advisory: tigervnc security update

23 more advisories

Full record on NVD

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2025-06-17
Last Modified
2026-04-15

Frequently asked questions

What is CVE-2025-49180?

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.

Is CVE-2025-49180 actively exploited?

Active exploitation of CVE-2025-49180 has not been confirmed. Its EPSS score was 0.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-49180?

CVE-2025-49180 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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