CVE-2013-6462
Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org...
Stack-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.
Exploit likelihood
What each source reports
NVD Score used
9.3
Stack-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.
- Record
CVE-2013-6462- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Stack-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.
- Record
CVE-2013-6462- Updated
- 2026-11-02
EUVDEUVD-2013-6266 No score
Stack-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.
- Record
EUVD-2013-6266- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7vj8-7ww8-h9v6 No score
Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org...
Stack-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.
- Record
GHSA-7vj8-7ww8-h9v6- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
Stack-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.
- Record
CVE-2013-6462- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-6462 No score
Stack-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.
- Record
DEBIAN-CVE-2013-6462- Updated
- 2026-11-02
OSVMGASA-2014-0020 No score
Updated libxfont packages fix security vulnerability
Updated libxfont packages fix security vulnerability:
It was discovered that a buffer overflow in the processing of Glyph Bitmap Distribution fonts (BDF) could result in the execution of arbitrary code (CVE-2013-6462).
- Record
MGASA-2014-0020- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10299-1 No score
libXfont-devel-1.5.2-1.1 on GA media
These are all security issues fixed in the libXfont-devel-1.5.2-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10299-1- Updated
- 2026-11-02
OSVSUSE-SU-2015:0674-1 No score
Security update for xorg-x11-libs
xorg-x11-libs was patched to fix the following security issues:
* Integer overflow of allocations in font metadata file parsing.
(CVE-2014-0209)
* libxfont not validating length fields when parsing xfs protocol
replies. (CVE-2014-0210)
* Integer overflows causing miscalculating memory needs for xfs
replies. (CVE-2014-0211)
Further information is available at http://lists.x.org/archives/xorg-announce/2014-May/002431.html http://lists.x.org/archives/xorg-announce/2014-May/002431.html .
Security Issues references:
* CVE-2014-0209
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0209>
* CVE-2014-0210
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0210>
* CVE-2014-0211
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0211>
- Record
SUSE-SU-2015:0674-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libxfontDebian:12 |
before 1:1.4.7-1 | 1:1.4.7-1 |
libxfontDebian:13 |
before 1:1.4.7-1 | 1:1.4.7-1 |
libxfontDebian:14 |
before 1:1.4.7-1 | 1:1.4.7-1 |
libxfontDebian:6.0 |
before 1:1.4.1-4, plus listed versions 1:1.4.1-21:1.4.1-3 |
1:1.4.1-4 |
libxfontDebian:7 |
before 1:1.4.5-3, plus listed versions 1:1.4.5-2 |
1:1.4.5-3 |
libxfontMageia:3 |
before 1.4.5-3.1.mga3 | 1.4.5-3.1.mga3 |
libXfontRed Hat:enterprise_linux:5::client |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
libXfont-debuginfoRed Hat:enterprise_linux:5::client |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
libXfontRed Hat:enterprise_linux:5::client_workstation |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
libXfont-debuginfoRed Hat:enterprise_linux:5::client_workstation |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
Show 16 moreShow less
| Package | Affected | Fixed |
|---|---|---|
libXfont-develRed Hat:enterprise_linux:5::client_workstation |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
libXfontRed Hat:enterprise_linux:5::server |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
libXfont-debuginfoRed Hat:enterprise_linux:5::server |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
libXfont-develRed Hat:enterprise_linux:5::server |
before 0:1.2.2-1.0.5.el5_10 | 0:1.2.2-1.0.5.el5_10 |
libXfontRed Hat:enterprise_linux:6::client |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-debuginfoRed Hat:enterprise_linux:6::client |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-develRed Hat:enterprise_linux:6::client |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfontRed Hat:enterprise_linux:6::computenode |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-develRed Hat:enterprise_linux:6::computenode |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfontRed Hat:enterprise_linux:6::server |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-debuginfoRed Hat:enterprise_linux:6::server |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-develRed Hat:enterprise_linux:6::server |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfontRed Hat:enterprise_linux:6::workstation |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
libXfont-develRed Hat:enterprise_linux:6::workstation |
before 0:1.4.5-3.el6_5 | 0:1.4.5-3.el6_5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-6462 is a high vulnerability (CVSS 9.3) in X Libxfont, published January 7, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.3%, the 95th percentile. Fixed in libxfont 1:1.4.7-1.
References
lists.opensuse.org/opensuse-updates/2014-01/msg00052.html
lists.x.org/archives/xorg-announce/2014-January/002389.html
debian.org/security/2014/dsa-2838
secunia.com/advisories/56357
seclists.org/oss-sec/2014/q1/33
rhn.redhat.com/errata/RHSA-2014-0018.html
Show 50 moreShow less
oracle.com/technetwork/topics/security/cpuapr2014-1972952.html
secunia.com/advisories/56240
secunia.com/advisories/56336
ubuntu.com/usn/USN-2078-1
lists.opensuse.org/opensuse-updates/2014-01/msg00050.html
secunia.com/advisories/56371
osvdb.org/101842
securityfocus.com/bid/64694
cgit.freedesktop.org/xorg/lib/libXfont/commit?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63
exchange.xforce.ibmcloud.com/vulnerabilities/90123
nvd.nist.gov/vuln/detail/CVE-2013-6462
github.com/advisories/GHSA-7vj8-7ww8-h9v6
security-tracker.debian.org/tracker/CVE-2013-6462
advisories.mageia.org/MGASA-2014-0020.html
bugs.mageia.org/show_bug.cgi?id=12237
access.redhat.com/errata/RHSA-2014:0018
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=1048044
security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0018.json
access.redhat.com/security/cve/CVE-2013-6462
cve.org/CVERecord?id=CVE-2013-6462
suse.com/support/update/announcement/2015/suse-su-20150674-1
bugzilla.suse.com/815451
bugzilla.suse.com/821663
bugzilla.suse.com/854915
bugzilla.suse.com/857544
bugzilla.suse.com/921978
suse.com/security/cve/CVE-2013-1984
suse.com/security/cve/CVE-2013-1985
suse.com/security/cve/CVE-2013-1986
suse.com/security/cve/CVE-2013-1988
suse.com/security/cve/CVE-2013-1990
suse.com/security/cve/CVE-2013-1991
suse.com/security/cve/CVE-2013-1992
suse.com/security/cve/CVE-2013-1995
suse.com/security/cve/CVE-2013-1996
suse.com/security/cve/CVE-2013-1998
suse.com/security/cve/CVE-2013-1999
suse.com/security/cve/CVE-2013-2000
suse.com/security/cve/CVE-2013-2001
suse.com/security/cve/CVE-2013-2003
suse.com/security/cve/CVE-2013-2063
suse.com/security/cve/CVE-2013-6462
suse.com/security/cve/CVE-2014-0209
suse.com/security/cve/CVE-2014-0210
suse.com/security/cve/CVE-2014-0211
suse.com/security/cve/CVE-2015-1802
suse.com/security/cve/CVE-2015-1803
suse.com/security/cve/CVE-2015-1804
suse.com/security/cve/CVE-2011-2895