CVE-2013-6462

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Summary

CVECVE-2013-6462
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-01-09 18:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionStack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

Risk And Classification

Primary CVSS: v2.0 9.3 from [email protected]

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS: 0.120290000 probability, percentile 0.938460000 (date 2026-05-12)

Problem Types: CWE-119 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application X Libxfont 1.1.0 All All All
Application X Libxfont 1.2.0 All All All
Application X Libxfont 1.2.1 All All All
Application X Libxfont 1.2.2 All All All
Application X Libxfont 1.2.3 All All All
Application X Libxfont 1.2.4 All All All
Application X Libxfont 1.2.5 All All All
Application X Libxfont 1.2.6 All All All
Application X Libxfont 1.2.7 All All All
Application X Libxfont 1.2.8 All All All
Application X Libxfont 1.2.9 All All All
Application X Libxfont 1.3.0 All All All
Application X Libxfont 1.3.1 All All All
Application X Libxfont 1.3.2 All All All
Application X Libxfont 1.3.3 All All All
Application X Libxfont 1.3.4 All All All
Application X Libxfont 1.4.0 All All All
Application X Libxfont 1.4.1 All All All
Application X Libxfont 1.4.2 All All All
Application X Libxfont 1.4.3 All All All
Application X Libxfont 1.4.4 All All All
Application X Libxfont 1.4.5 All All All
Application X Libxfont 1.4.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Security Advisory SA56240 - X.Org libXfont "bdfReadCharacters()" Buffer Overflow Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
oss-sec: Fwd: X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont af854a3a-2127-422b-91ae-364da2661108 seclists.org
Security Advisory SA56357 - Debian update for libxfont - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Oracle Critical Patch Update - April 2014 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
USN-2078-1: libXfont vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Security Advisory SA56336 - Red Hat update for libXfont - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Debian -- Security Information -- DSA-2838-1 libxfont af854a3a-2127-422b-91ae-364da2661108 www.debian.org
X.Org libXfont BDF Font File Handling Stack Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
openSUSE-SU-2014:0075-1: moderate: update for libXfont af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
openSUSE-SU-2014:0073-1: moderate: update for libXfont af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
xorg/lib/libXfont - X font handling library for server & utilities af854a3a-2127-422b-91ae-364da2661108 cgit.freedesktop.org Exploit, Patch
osvdb.org/101842 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
Security Advisory SA56371 - Ubuntu update for libxfont - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont af854a3a-2127-422b-91ae-364da2661108 lists.x.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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