A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
CVE-2023-6478
CVSS base score
7.6 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-190
Last modified
November 4, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Affected products
x.org x server
x.org xwayland
redhat enterprise linux eus
debian debian linux
tigervnc tigervnc