{"id":"CVE-2013-6462","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-6462","generatedAt":"2026-11-05T07:17:12.074Z","title":"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…","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.","published":"2014-01-09T18:55:04.000Z","lastModified":"2026-06-17T00:00:32.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":9.3,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["x/libxfont"],"epss":{"score":0.10254,"percentile":0.95702,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63","tags":["Exploit","Patch"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html","source":"secalert@redhat.com"},{"url":"http://lists.x.org/archives/xorg-announce/2014-January/002389.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://osvdb.org/101842","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0018.html","source":"secalert@redhat.com"},{"url":"http://seclists.org/oss-sec/2014/q1/33","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/56240","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/56336","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/56357","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/56371","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2014/dsa-2838","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/64694","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-2078-1","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/90123","source":"secalert@redhat.com"},{"url":"http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63","tags":["Exploit","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.x.org/archives/xorg-announce/2014-January/002389.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/101842","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0018.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/oss-sec/2014/q1/33","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/56240","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/56336","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/56357","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/56371","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2014/dsa-2838","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/64694","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2078-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/90123","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-6462","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}