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.
Published: 2018-01-24
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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

Fri, 29 Aug 2025 13:45:00 +0000

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

Subscriptions

Debian Debian Linux
X.org X Server
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-09-16T16:18:38.414Z

Reserved: 2017-08-01T00:00:00.000Z

Link: CVE-2017-12178

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-01-24T15:29:00.370

Modified: 2025-08-29T13:42:30.557

Link: CVE-2017-12178

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-10-10T00:00:00Z

Links: CVE-2017-12178 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses