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.
History

Mon, 17 Mar 2025 15:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:rhel_aus:8.2
cpe:/a:redhat:rhel_aus:8.4
cpe:/a:redhat:rhel_aus:8.6
cpe:/a:redhat:rhel_e4s:8.4
cpe:/a:redhat:rhel_e4s:8.6
cpe:/a:redhat:rhel_e4s:9.0
cpe:/a:redhat:rhel_eus:8.8
cpe:/a:redhat:rhel_eus:9.2
cpe:/a:redhat:rhel_eus:9.4
cpe:/a:redhat:rhel_tus:8.4
cpe:/a:redhat:rhel_tus:8.6

Mon, 17 Mar 2025 05:15:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:7 cpe:/a:redhat:rhel_aus:8.2::appstream
cpe:/a:redhat:rhel_aus:8.6::appstream
cpe:/a:redhat:rhel_e4s:8.6::appstream
cpe:/a:redhat:rhel_tus:8.6::appstream
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
References

Mon, 17 Mar 2025 05:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:rhel_e4s:9.0::appstream
References

Mon, 17 Mar 2025 02:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Tus
CPEs cpe:/a:redhat:rhel_aus:8.4::appstream
cpe:/a:redhat:rhel_e4s:8.4::appstream
cpe:/a:redhat:rhel_eus:9.2::appstream
cpe:/a:redhat:rhel_eus:9.4::appstream
cpe:/a:redhat:rhel_tus:8.4::appstream
Vendors & Products Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Tus
References

Mon, 17 Mar 2025 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Eus
CPEs cpe:/a:redhat:rhel_eus:8.8::appstream
Vendors & Products Redhat rhel Eus
References

Tue, 11 Mar 2025 02:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:9

Mon, 10 Mar 2025 13:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:8::appstream
cpe:/a:redhat:enterprise_linux:9::appstream
References

Tue, 04 Mar 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Tigervnc
Tigervnc tigervnc
X.org
X.org x Server
X.org xwayland
CPEs cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xwayland:-:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
Vendors & Products Tigervnc
Tigervnc tigervnc
X.org
X.org x Server
X.org xwayland

Wed, 26 Feb 2025 02:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Tue, 25 Feb 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 25 Feb 2025 16:00:00 +0000

Type Values Removed Values Added
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.
Title X.org: xwayland: use-after-free of the root cursor
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-416
CPEs cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2025-02-25T15:53:51.324Z

Updated: 2025-04-14T19:31:40.365Z

Reserved: 2025-02-12T14:12:22.795Z

Link: CVE-2025-26594

cve-icon Vulnrichment

Updated: 2025-02-25T20:14:10.810Z

cve-icon NVD

Status : Analyzed

Published: 2025-02-25T16:15:38.227

Modified: 2025-04-10T18:37:55.597

Link: CVE-2025-26594

cve-icon Redhat

Severity : Important

Publid Date: 2025-02-25T00:00:00Z

Links: CVE-2025-26594 - Bugzilla