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CVE-2016-7943

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Date: December 13, 2016

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.

Language: C

Severity Score

9.8

Related Resources (5)

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-7943

Url: https://usn.ubuntu.com/3758-1/

Url: https://lists.x.org/archives/xorg-announce/2016-October/002720.html

Url: http://www.openwall.com/lists/oss-security/2016/10/04/4

Url: https://www.mend.io/vulnerability-database/CVE-2016-7943

Severity Score

9.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version 1.6.4

CVSS v3

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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