CVE-2013-6462

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-01-09 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

X.Org libXfont2: 1.1.0, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4 (+17)

References

http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63
http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html
http://lists.x.org/archives/xorg-announce/2014-January/002389.html
http://osvdb.org/101842
http://rhn.redhat.com/errata/RHSA-2014-0018.html
http://seclists.org/oss-sec/2014/q1/33
http://secunia.com/advisories/56240
http://secunia.com/advisories/56336
http://secunia.com/advisories/56357
http://secunia.com/advisories/56371
http://www.debian.org/security/2014/dsa-2838

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