{"id":"CVE-2018-11778","aliases":["EUVD-2018-0573","GHSA-c99h-fgqm-6679"],"status":"published","title":"UnixAuthenticationService in Apache Ranger was updated to correctly handle user input to avoid Stack-based buffer overflow","description":"UnixAuthenticationService in Apache Ranger 1.2.0 was updated to correctly handle user input to avoid Stack-based buffer overflow. Versions prior to 1.2.0 should be upgraded to 1.2.0","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04011,"percentile":0.90627,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2018-10-05T19:00:00Z","modified":"2026-10-24T10:30:50Z","fixes":[{"ecosystem":"Maven","package":"org.apache.ranger:ranger","fixed_in":["1.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.ranger:ranger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.ranger:ranger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0"}]}],"versions":["0.6.0","0.6.1","0.6.2","0.6.3","0.7.0","0.7.1","1.0.0","1.1.0"]}],"products":[{"vendor":"apache","product":"ranger"},{"vendor":"apache software foundation","product":"apache ranger"}],"references":[{"url":"https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://seclists.org/oss-sec/2018/q4/11","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c%40%3Cdev.ranger.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rd88077a781ef38f7687c100f93992f4dda8aa101925050c4af470998%40%3Cdev.ranger.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11778","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c99h-fgqm-6679","tags":["advisory"]},{"url":"https://lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c@%3Cdev.ranger.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rd88077a781ef38f7687c100f93992f4dda8aa101925050c4af470998@%3Cdev.ranger.apache.org%3E","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-11778","description":"UnixAuthenticationService in Apache Ranger 1.2.0 was updated to correctly handle user input to avoid Stack-based buffer overflow. 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