CVE-2016-7943

libX11: Insufficient validation of server responses in FontNames

Published Dec 13, 2016 CVSS 3.0 · 9.8 Critical EPSS 4.5% KEV · Not listed
Description
The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-684-1 libx11 security update
EUVD EUVD EUVD-2016-8792 The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations.
Ubuntu USN Ubuntu USN USN-3758-1 libx11 vulnerabilities
Ubuntu USN Ubuntu USN USN-3758-2 libx11 vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.03085}

epss

{'score': 0.04712}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microfocus
Published
Updated
Aug 6, 2024, 2:13 AM
Reserved
Sep 9, 2016, 12:00 AM
Status
Modified
Published
Dec 13, 2016, 8:59 PM
Modified
Jun 17, 2026, 12:53 AM
Severity
Moderate
Public date
Sep 25, 2016, 12:00 AM