CVE-2022-46343

2022-12-1400:00:00

redhat

www.cve.org

x.org

vulnerability

local privilege escalation

remote code execution

security flaw

memory corruption

screensaversetattributes

x server

ssh

x forwarding

9.1 High

AI Score

Confidence

High

0.036 Low

EPSS

Percentile

91.7%

JSON

A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "xorg-x11-server",
    "versions": [
      {
        "version": "xorg-x11-server-1.20.4",
        "status": "affected"
      }
    ]
  }
]