{"id":"CVE-2014-0099","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-0099","generatedAt":"2026-10-27T21:41:33.266Z","title":"Integer overflow in java/org/apache/tomcat/util/buf/Ascii.java in Apache Tomcat before 6.0.40, 7.x before 7.0.53, and 8.x before 8.0.4, when operated behind a reverse proxy, allows remote attackers to conduct HTTP request smuggling attacks via a crafted…","description":"Integer overflow in java/org/apache/tomcat/util/buf/Ascii.java in Apache Tomcat before 6.0.40, 7.x before 7.0.53, and 8.x before 8.0.4, when operated behind a reverse proxy, allows remote attackers to conduct HTTP request smuggling attacks via a crafted Content-Length HTTP header.","published":"2014-05-31T11:17:13.000Z","lastModified":"2026-10-14T17:17:30.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},"cwe":["CWE-189"],"affected":["apache/tomcat"],"epss":{"score":0.08838,"percentile":0.95162,"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 (8.84%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://advisories.mageia.org/MGASA-2014-0268.html","source":"secalert@redhat.com"},{"url":"http://linux.oracle.com/errata/ELSA-2014-0865.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=141017844705317&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=141390017113542&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144498216801440&w=2","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0675.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0720.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0765.html","source":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2014/Dec/23","source":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2014/May/138","source":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2014/May/140","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/59121","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/59678","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/59732","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/59835","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/59849","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/59873","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/60729","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/60793","source":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1578812","source":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1578814","source":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1580473","source":"secalert@redhat.com"},{"url":"http://tomcat.apache.org/security-6.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://tomcat.apache.org/security-7.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://tomcat.apache.org/security-8.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21678231","source":"secalert@redhat.com"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21680603","source":"secalert@redhat.com"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21681528","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3447","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3530","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:052","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:053","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:084","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/archive/1/532218/100/0/threaded","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/archive/1/532221/100/0/threaded","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/archive/1/534161/100/0/threaded","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/67668","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1030302","source":"secalert@redhat.com"},{"url":"http://www.vmware.com/security/advisories/VMSA-2014-0012.html","source":"secalert@redhat.com"},{"url":"https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04851013","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E","source":"secalert@redhat.com"},{"url":"http://advisories.mageia.org/MGASA-2014-0268.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://linux.oracle.com/errata/ELSA-2014-0865.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=141017844705317&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=141390017113542&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=144498216801440&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0675.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0720.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0765.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2014/Dec/23","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2014/May/138","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-0099","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."}