CVE-2024-0409

HIGH

TigerVNC < 1.13.1 - Out-of-bounds Write in Cursor Handling

Title source: llm
STIX 2.1

Description

A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.

References (13)

Core 13
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:0320
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:2169
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:2170
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:2995
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:2996
Third Party Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2024-0409
Issue Tracking, Third Party Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2257690

Scores

CVSS v3 7.8
EPSS 0.0001
EPSS Percentile 3.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (15)
fedoraproject/fedora 39
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
redhat/enterprise_linux 9.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_for_ibm_z_systems 7.0
redhat/enterprise_linux_for_power_big_endian 7.0
redhat/enterprise_linux_for_power_little_endian 7.0
redhat/enterprise_linux_for_scientific_computing 7.0
... and 5 more
Published Jan 18, 2024
Tracked Since Feb 18, 2026