CVE-2017-12178

xorg-x11-server: wrong extra length check in ProcXIChangeHierarchy

Published Jan 24, 2018 CVSS 3.0 · 9.8 Critical EPSS 4.4% KEV · Not listed
Description
xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1186-1 xorg-server security update
Debian DSA Debian DSA DSA-4000-1 xorg-server security update
EUVD EUVD EUVD-2017-3753 xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Ubuntu USN Ubuntu USN USN-3456-1 X.Org X server vulnerabilities
History
Type Values Removed Values Added
First Time appeared X.org x Server
CPEs cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:* cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
Vendors & Products X.org xorg-server
X.org x Server
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Sep 16, 2024, 4:18 PM
Reserved
Aug 1, 2017, 12:00 AM
Status
Modified
Published
Jan 24, 2018, 3:29 PM
Modified
Jun 17, 2026, 1:02 AM
Severity
Moderate
Public date
Oct 10, 2017, 12:00 AM