CVE-2025-26598

An out-of-bounds write flaw was found in X.Org and Xwayland. The function GetBarrierDevice() searches for the pointer device based on its device ID and returns the matching value, or supposedly NULL, if no match was found. However, the code will return the last element of the list if no matching device ID is found, which can lead to out-of-bounds memory access.
Configurations

Configuration 1 (hide)

cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

History

13 May 2025, 20:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2025:7458 -

13 May 2025, 15:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2025:7163 -
  • () https://access.redhat.com/errata/RHSA-2025:7165 -

08 May 2025, 16:48

Type Values Removed Values Added
CPE cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xwayland:-:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*

10 Apr 2025, 19:03

Type Values Removed Values Added
References () https://access.redhat.com/errata/RHSA-2025:2500 - () https://access.redhat.com/errata/RHSA-2025:2500 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2875 - () https://access.redhat.com/errata/RHSA-2025:2875 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2862 - () https://access.redhat.com/errata/RHSA-2025:2862 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2874 - () https://access.redhat.com/errata/RHSA-2025:2874 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2879 - () https://access.redhat.com/errata/RHSA-2025:2879 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2873 - () https://access.redhat.com/errata/RHSA-2025:2873 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2865 - () https://access.redhat.com/errata/RHSA-2025:2865 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2866 - () https://access.redhat.com/errata/RHSA-2025:2866 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2861 - () https://access.redhat.com/errata/RHSA-2025:2861 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2880 - () https://access.redhat.com/errata/RHSA-2025:2880 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:2502 - () https://access.redhat.com/errata/RHSA-2025:2502 - Third Party Advisory
CWE CWE-787
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.8

17 Mar 2025, 05:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2025:2879 -
  • () https://access.redhat.com/errata/RHSA-2025:2873 -
  • () https://access.redhat.com/errata/RHSA-2025:2866 -
  • () https://access.redhat.com/errata/RHSA-2025:2861 -
  • () https://access.redhat.com/errata/RHSA-2025:2880 -

17 Mar 2025, 03:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2025:2862 -
  • () https://access.redhat.com/errata/RHSA-2025:2874 -
  • () https://access.redhat.com/errata/RHSA-2025:2875 -
  • () https://access.redhat.com/errata/RHSA-2025:2865 -

10 Mar 2025, 13:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2025:2500 -
  • () https://access.redhat.com/errata/RHSA-2025:2502 -

04 Mar 2025, 17:22

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 7.8
v2 : unknown
v3 : unknown
CWE CWE-787
References () https://bugzilla.redhat.com/show_bug.cgi?id=2345254 - () https://bugzilla.redhat.com/show_bug.cgi?id=2345254 - Issue Tracking
References () https://access.redhat.com/security/cve/CVE-2025-26598 - () https://access.redhat.com/security/cve/CVE-2025-26598 - Third Party Advisory
First Time X.org
Redhat enterprise Linux
Tigervnc tigervnc
X.org xwayland
Redhat
X.org x Server
Tigervnc
CPE cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xwayland:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

25 Feb 2025, 16:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-02-25 16:15

Updated : 2025-05-13 20:15


NVD link : CVE-2025-26598

Mitre link : CVE-2025-26598


JSON object : View

Products Affected

x.org

  • x_server
  • xwayland

tigervnc

  • tigervnc

redhat

  • enterprise_linux
CWE
CWE-787

Out-of-bounds Write