{"schemaVersion":3,"id":"CVE-2016-3110","aliases":["GHSA-68qq-3phh-53j7"],"status":"published","duplicateOf":null,"title":null,"description":"mod_cluster, as used in Red Hat JBoss Web Server 2.1, allows remote attackers to cause a denial of service (Apache http server crash) via an MCMP message containing a series of = (equals) characters after a legitimate element.","dates":{"published":"2016-09-26T14:00:00.000Z","modified":"2024-08-05T23:47:57.125Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Maven","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.0364,"percentile":0.89423,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.0364},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03515,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0364,"percentile":0.89423}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03515,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0364,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0364,"percentile":0.89423}]},"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":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"28","noFixRecorded":false,"fixedIn":null},{"text":"29","noFixRecorded":false,"fixedIn":null},{"text":"30","noFixRecorded":false,"fixedIn":null}],"versionsText":"28 | 29 | 30","eol":{"isEol":true,"eolDate":"2019-05-28T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"28","label":"28","eolFrom":"2019-05-28T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"org.jboss.mod_cluster","product":"mod_cluster-parent","name":"org.jboss.mod_cluster:mod_cluster-parent","label":"mod_cluster-parent","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.jboss.mod_cluster/mod_cluster-parent","purlType":"maven","versions":[{"text":"< 1.3.3.Final","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.3.Final","eol":null,"hubHref":null},{"vendor":"redhat","product":"jboss_enterprise_application_platform","name":"jboss enterprise application platform","label":"jboss_enterprise_application_platform","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"6.0.0","noFixRecorded":false,"fixedIn":null},{"text":"6.4.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.0.0 | 6.4.0","eol":null,"hubHref":"/vendor/redhat/jboss_enterprise_application_platform"},{"vendor":"redhat","product":"jboss_enterprise_web_server","name":"jboss enterprise web server","label":"jboss_enterprise_web_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.0.0","noFixRecorded":false,"fixedIn":null},{"text":"2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.0.0 | 2.1","eol":null,"hubHref":"/vendor/redhat/jboss_enterprise_web_server"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2016-2056.html","label":"rhn.redhat.com/errata/RHSA-2016-2056.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","Broken Link","WEB"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1326320","label":"bugzilla.redhat.com/show_bug.cgi?id=1326320","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM","Issue Tracking","WEB"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1648.html","label":"rhn.redhat.com/errata/RHSA-2016-1648.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","WEB"]},{"url":"http://www.securityfocus.com/bid/92584","label":"www.securityfocus.com/bid/92584","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2055.html","label":"rhn.redhat.com/errata/RHSA-2016-2055.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","WEB"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1649.html","label":"rhn.redhat.com/errata/RHSA-2016-1649.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","WEB"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1650.html","label":"rhn.redhat.com/errata/RHSA-2016-1650.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","Broken Link","WEB"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2054.html","label":"rhn.redhat.com/errata/RHSA-2016-2054.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3110","label":"nvd.nist.gov/vuln/detail/CVE-2016-3110","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/modcluster/mod_cluster","label":"github.com/modcluster/mod_cluster","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://web.archive.org/web/20200227231527/http://www.securityfocus.com/bid/92584","label":"web.archive.org/web/20200227231527/http://www.securityfocus.com/bid/92584","hostname":"web.archive.org","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":["RHSA-2016:1648","RHSA-2016:1649","RHSA-2016:2054","RHSA-2016:2055"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2016-09-26T14:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T23:47:57.125Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T10:38:54.668Z","stale":false,"partial":false}}