{"cve":"CVE-2016-3110","nvd":{"published":"2016-09-26T14:59:00.147","modified":"2026-06-17T00:44:59.287","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["http://rhn.redhat.com/errata/RHSA-2016-1648.html","http://rhn.redhat.com/errata/RHSA-2016-1649.html","http://rhn.redhat.com/errata/RHSA-2016-1650.html","http://rhn.redhat.com/errata/RHSA-2016-2054.html","http://rhn.redhat.com/errata/RHSA-2016-2055.html"],"products":["fedoraproject:fedora","redhat:jboss_enterprise_application_platform","redhat:jboss_enterprise_web_server"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-3110","score":0.0364,"percentile":0.89571,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-68qq-3phh-53j7","url":"https://osv.dev/vulnerability/GHSA-68qq-3phh-53j7","summary":"mod_cluster Denial of Service vulnerability","modified":"2025-04-14T22:27:15.823877Z","packages":[{"ecosystem":"Maven","name":"org.jboss.mod_cluster:mod_cluster-parent","purl":"pkg:maven/org.jboss.mod_cluster/mod_cluster-parent","ranges":["<1.3.3.Final"],"fixed":["1.3.3.Final"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}