{"schemaVersion":3,"id":"CVE-2013-6462","aliases":["MGASA-2014-0020","RHSA-2014:0018","DEBIAN-CVE-2013-6462","DSA-2838-1"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2014-01-09T15:00:00.000Z","modified":"2024-08-06T17:39:01.320Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.3,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9.3,"severity":"high","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.10254,"percentile":0.95651,"severity":"medium","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.10254},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.10254,"percentile":0.95651}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.10254,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.10254,"percentile":0.95651}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_2A7AAE4E6208DD70","name":"Exploit Reference (cgit.freedesktop.org)","source":"reference","url":"http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"debian","product":"libxfont","name":"libxfont","label":"libxfont","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libxfont","purlType":"deb","versions":[{"text":"< 1:1.4.7-1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:1.4.1-4","noFixRecorded":false,"fixedIn":null},{"text":"< 1:1.4.5-3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.4.7-1 | < 1:1.4.1-4 | < 1:1.4.5-3","eol":null,"hubHref":null},{"vendor":"mageia","product":"libxfont","name":"libxfont","label":"libxfont","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/libxfont","purlType":"rpm","versions":[{"text":"< 1.4.5-3.1.mga3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4.5-3.1.mga3","eol":null,"hubHref":null},{"vendor":"redhat","product":"libXfont","name":"libXfont","label":"libXfont","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/libXfont","purlType":"rpm","versions":[{"text":"< 0:1.2.2-1.0.5.el5_10","noFixRecorded":false,"fixedIn":null},{"text":"< 0:1.4.5-3.el6_5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.2.2-1.0.5.el5_10 | < 0:1.4.5-3.el6_5","eol":null,"hubHref":null},{"vendor":"redhat","product":"libXfont-debuginfo","name":"libXfont-debuginfo","label":"libXfont-debuginfo","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/libXfont-debuginfo","purlType":"rpm","versions":[{"text":"< 0:1.2.2-1.0.5.el5_10","noFixRecorded":false,"fixedIn":null},{"text":"< 0:1.4.5-3.el6_5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.2.2-1.0.5.el5_10 | < 0:1.4.5-3.el6_5","eol":null,"hubHref":null},{"vendor":"redhat","product":"libXfont-devel","name":"libXfont-devel","label":"libXfont-devel","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/libXfont-devel","purlType":"rpm","versions":[{"text":"< 0:1.2.2-1.0.5.el5_10","noFixRecorded":false,"fixedIn":null},{"text":"< 0:1.4.5-3.el6_5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.2.2-1.0.5.el5_10 | < 0:1.4.5-3.el6_5","eol":null,"hubHref":null},{"vendor":"x","product":"libxfont","name":"libxfont","label":"libxfont","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.1.0","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0","noFixRecorded":false,"fixedIn":null},{"text":"1.2.1","noFixRecorded":false,"fixedIn":null},{"text":"1.2.2","noFixRecorded":false,"fixedIn":null},{"text":"1.2.3","noFixRecorded":false,"fixedIn":null},{"text":"1.2.4","noFixRecorded":false,"fixedIn":null},{"text":"1.2.5","noFixRecorded":false,"fixedIn":null},{"text":"1.2.6","noFixRecorded":false,"fixedIn":null},{"text":"1.2.7","noFixRecorded":false,"fixedIn":null},{"text":"1.2.8","noFixRecorded":false,"fixedIn":null},{"text":"1.2.9","noFixRecorded":false,"fixedIn":null},{"text":"1.3.0","noFixRecorded":false,"fixedIn":null},{"text":"1.3.1","noFixRecorded":false,"fixedIn":null},{"text":"1.3.2","noFixRecorded":false,"fixedIn":null},{"text":"1.3.3","noFixRecorded":false,"fixedIn":null},{"text":"1.3.4","noFixRecorded":false,"fixedIn":null},{"text":"1.4.0","noFixRecorded":false,"fixedIn":null},{"text":"1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"1.4.3","noFixRecorded":false,"fixedIn":null},{"text":"1.4.4","noFixRecorded":false,"fixedIn":null},{"text":"1.4.5","noFixRecorded":false,"fixedIn":null},{"text":"1.4.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.1.0 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.5 | 1.2.6 | 1.2.7 | 1.2.8 | 1.2.9 | 1.3.0 | 1.3.1 | 1.3.2 | 1.3.3 | 1.3.4 | 1.4.0 | 1.4.1 | 1.4.2 | 1.4.3 | 1.4.4 | 1.4.5 | 1.4.6","eol":null,"hubHref":"/vendor/x/libxfont"}],"affectedCount":6,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html","label":"lists.opensuse.org/opensuse-updates/2014-01/msg00052.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://lists.x.org/archives/xorg-announce/2014-January/002389.html","label":"lists.x.org/archives/xorg-announce/2014-January/002389.html","hostname":"lists.x.org","tags":["Mailing List","X Refsource MLIST","Vendor Advisory","WEB","ARTICLE"]},{"url":"http://www.debian.org/security/2014/dsa-2838","label":"www.debian.org/security/2014/dsa-2838","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","WEB"]},{"url":"http://secunia.com/advisories/56357","label":"secunia.com/advisories/56357","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://seclists.org/oss-sec/2014/q1/33","label":"seclists.org/oss-sec/2014/q1/33","hostname":"seclists.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0018.html","label":"rhn.redhat.com/errata/RHSA-2014-0018.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html","label":"www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html","hostname":"www.oracle.com","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/56240","label":"secunia.com/advisories/56240","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://secunia.com/advisories/56336","label":"secunia.com/advisories/56336","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://www.ubuntu.com/usn/USN-2078-1","label":"www.ubuntu.com/usn/USN-2078-1","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html","label":"lists.opensuse.org/opensuse-updates/2014-01/msg00050.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://secunia.com/advisories/56371","label":"secunia.com/advisories/56371","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://osvdb.org/101842","label":"osvdb.org/101842","hostname":"osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://www.securityfocus.com/bid/64694","label":"www.securityfocus.com/bid/64694","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63","label":"cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63","hostname":"cgit.freedesktop.org","tags":["X Refsource CONFIRM","Exploit","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/90123","label":"exchange.xforce.ibmcloud.com/vulnerabilities/90123","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"https://advisories.mageia.org/MGASA-2014-0020.html","label":"advisories.mageia.org/MGASA-2014-0020.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=12237","label":"bugs.mageia.org/show_bug.cgi?id=12237","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://access.redhat.com/errata/RHSA-2014:0018","label":"access.redhat.com/errata/RHSA-2014:0018","hostname":"access.redhat.com","tags":["Advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","label":"access.redhat.com/security/updates/classification/","hostname":"access.redhat.com","tags":["ARTICLE"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1048044","label":"bugzilla.redhat.com/show_bug.cgi?id=1048044","hostname":"bugzilla.redhat.com","tags":["REPORT"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0018.json","label":"security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0018.json","hostname":"security.access.redhat.com","tags":["Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-6462","label":"access.redhat.com/security/cve/CVE-2013-6462","hostname":"access.redhat.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-6462","label":"www.cve.org/CVERecord?id=CVE-2013-6462","hostname":"www.cve.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6462","label":"nvd.nist.gov/vuln/detail/CVE-2013-6462","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-6462","label":"security-tracker.debian.org/tracker/CVE-2013-6462","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2014-01-09T15:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T17:39:01.320Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:02:06.306Z","stale":false,"partial":false}}