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CVE-2016-7943

Published: Dec 13, 2016Updated: May 6, 2026 Sources: CVE List NVDCWE-787
9.8CRITICAL
NVD MITRE
EPSS Score
4.3%
Top 9.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
x.org
oss-project·US
libx11On-premLibrary
Operating Systems
and 1 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2016/10/04/2
openwall.com
http://www.openwall.com/lists/oss-security/2016/10/04/4
openwall.com
http://www.securityfocus.com/bid/93362
securityfocus.com
and 7 more references View all →

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