CVE-2025-26594

March 10, 2025, 1:15 p.m.

7.8
High

Description

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.

Product(s) Impacted

Vendor Product Versions
Tigervnc
  • Tigervnc
  • -
X.org
  • X Server
  • Xwayland
  • -
  • -
Redhat
  • Enterprise Linux
  • 7.0, 8.0, 9.0

Weaknesses

CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

*CPE(s)

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a tigervnc tigervnc - / / / / / / /
a x.org x_server - / / / / / / /
a x.org xwayland - / / / / / / /
o redhat enterprise_linux 7.0 / / / / / / /
o redhat enterprise_linux 8.0 / / / / / / /
o redhat enterprise_linux 9.0 / / / / / / /

CVSS Score

7.8 / 10

CVSS Data

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • View Vector String

    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Date

  • Published: Feb. 25, 2025, 4:15 p.m.
  • Last Modified: March 10, 2025, 1:15 p.m.

Status : Modified

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

secalert@redhat.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.