{"id":"CVE-2018-10868","aliases":["EUVD-2018-2934","GHSA-9gcv-g5q9-f633"],"status":"published","title":"It has been discovered that redhat-certification does not properly limit the number of recursive...","description":"redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a \"Billion Laugh Attack\" by replying to XMLRPC methods when getting the status of an host.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01104,"percentile":0.65989,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-776"],"published":"2021-05-26T18:03:25Z","modified":"2026-06-17T01:34:48Z","products":[{"vendor":"[unknown]","product":"redhat-certification"},{"vendor":"redhat","product":"certification"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1593776","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-10868","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10868"},{"url":"https://github.com/advisories/GHSA-9gcv-g5q9-f633"}],"sources":{"cve":[{"id":"CVE-2018-10868","description":"redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a \"Billion Laugh Attack\" by replying to XMLRPC methods when getting the status of an host.","status":"published","published":"2021-05-26T18:03:25Z","modified":"2024-08-05T07:46:47.017Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:01.619448Z"}],"euvd":[{"id":"EUVD-2018-2934","description":"redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a \"Billion Laugh Attack\" by replying to XMLRPC methods when getting the status of an host.","status":"published","published":"2021-05-26T18:03:25Z","modified":"2024-08-05T07:46:47Z","updated_at":"2026-11-03T02:39:57.544825Z"}],"ghsa":[{"id":"GHSA-9gcv-g5q9-f633","title":"It has been discovered that redhat-certification does not properly limit the number of recursive...","description":"It has been discovered that redhat-certification does not properly limit the number of recursive definitions of entities in XML documents while parsing the status of a host. A remote attacker could use this vulnerability to consume all the memory of the server and cause a Denial of Service. This flaw affects redhat-certification version 7.","status":"published","published":"2022-05-24T19:03:18Z","modified":"2023-01-27T05:03:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400","CWE-776"],"updated_at":"2026-11-02T14:42:20.947965Z"}],"nvd":[{"id":"CVE-2018-10868","description":"redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a \"Billion Laugh Attack\" by replying to XMLRPC methods when getting the status of an host.","status":"published","published":"2021-05-26T19:15:08.49Z","modified":"2026-06-17T01:34:48.073Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400","CWE-776"],"updated_at":"2026-11-02T14:05:00.565712Z"}]}}