{"id":"CVE-2013-4396","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-4396","generatedAt":"2026-10-27T22:05:18.073Z","title":"Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a…","description":"Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.","published":"2013-10-10T10:55:06.000Z","lastModified":"2026-06-16T23:57:09.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":6.5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P"},"cwe":["CWE-399"],"affected":["x/x.org x11"],"epss":{"score":0.04077,"percentile":0.90626,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (4.08%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html","source":"secalert@redhat.com"},{"url":"http://lists.x.org/archives/xorg-announce/2013-October/002332.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2013/10/08/6","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1426.html","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2013/dsa-2784","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/62892","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1990-1","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1014561","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.x.org/archives/xorg-announce/2013-October/002332.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2013/10/08/6","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1426.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2013/dsa-2784","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/62892","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1990-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1014561","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-4396","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."}