A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
History

Mon, 23 Jun 2025 06:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:9
cpe:/a:redhat:enterprise_linux:8::appstream
cpe:/a:redhat:enterprise_linux:8::crb
cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/a:redhat:enterprise_linux:9::crb
cpe:/o:redhat:enterprise_linux:10.0
References

Wed, 18 Jun 2025 15:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Tue, 17 Jun 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 17 Jun 2025 15:00:00 +0000

Type Values Removed Values Added
Description A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
Title Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-190
CPEs cpe:/o:redhat:enterprise_linux:10
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': 6.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2025-06-17T14:54:49.288Z

Updated: 2025-06-23T06:34:29.129Z

Reserved: 2025-06-03T05:38:02.947Z

Link: CVE-2025-49179

cve-icon Vulnrichment

Updated: 2025-06-17T15:03:28.305Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-06-17T15:15:46.000

Modified: 2025-06-17T20:50:23.507

Link: CVE-2025-49179

cve-icon Redhat

Severity : Important

Publid Date: 2025-06-17T00:00:00Z

Links: CVE-2025-49179 - Bugzilla