National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2015-1803 Detail


The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file.

Source:  MITRE      Last Modified:  03/20/2015

Evaluator Description

CWE-476: NULL Pointer Dereference

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
8.5 HIGH
(AV:N/AC:M/Au:S/C:C/I:C/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name External Source CONFIRM External Source FEDORA FEDORA-2015-4199 External Source FEDORA FEDORA-2015-4230 External Source SUSE openSUSE-SU-2015:0614 External Source SUSE SUSE-SU-2015:0674 External Source SUSE SUSE-SU-2015:0702 External Source REDHAT RHSA-2015:1708 External Source DEBIAN DSA-3194 External Source MANDRIVA MDVSA-2015:145 External Source CONFIRM External Source CONFIRM External Source BID 73280 External Source SECTRACK 1031935 External Source UBUNTU USN-2536-1 Vendor Advisory External Source MISC External Source GENTOO GLSA-201507-21

Technical Details

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