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NVD Vulnerability Details :
CVE-2025-26594
Modified
More InfoOfficial Page
Source-secalert@redhat.com
View Known Exploited Vulnerability (KEV) details
Published At-25 Feb, 2025 | 16:15
Updated At-29 Jun, 2026 | 21:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A
Type: Secondary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
tigervnc
tigervnc
>>tigervnc>>-
cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*
X.Org Foundation
x.org
>>x_server>>Versions before 21.1.16(exclusive)
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
X.Org Foundation
x.org
>>xwayland>>Versions before 24.1.6(exclusive)
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>7.0
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>9.0
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-416Secondarysecalert@redhat.com
CWE-416Primarynvd@nist.gov
CWE ID: CWE-416
Type: Secondary
Source: secalert@redhat.com
CWE ID: CWE-416
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://access.redhat.com/errata/RHSA-2025:2500secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2502secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2861secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2862secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2865secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2866secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2873secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2874secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2875secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2879secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:2880secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2025:3976secalert@redhat.com
N/A
https://access.redhat.com/errata/RHSA-2025:7163secalert@redhat.com
N/A
https://access.redhat.com/errata/RHSA-2025:7165secalert@redhat.com
N/A
https://access.redhat.com/errata/RHSA-2025:7458secalert@redhat.com
N/A
https://access.redhat.com/security/cve/CVE-2025-26594secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2345248secalert@redhat.com
Issue Tracking
https://lists.debian.org/debian-lts-announce/2025/02/msg00036.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2500
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2502
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2861
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2862
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2865
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2866
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2873
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2874
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2875
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2879
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:2880
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2025:3976
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2025:7163
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2025:7165
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2025:7458
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2025-26594
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2345248
Source: secalert@redhat.com
Resource:
Issue Tracking
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/02/msg00036.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Change History
0Changes found
Details not found