{"id":"CVE-2018-11768","aliases":["EUVD-2019-0752","GHSA-hx83-rpqf-m267"],"status":"published","title":"user/group information can be corrupted across storing in fsimage and reading back from fsimage","description":"In Apache Hadoop 3.1.0 to 3.1.1, 3.0.0-alpha1 to 3.0.3, 2.9.0 to 2.9.1, and 2.0.0-alpha to 2.8.4, the user/group information can be corrupted across storing in fsimage and reading back from fsimage.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06607,"percentile":0.93895,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2019-10-04T13:56:56Z","modified":"2026-10-24T10:31:01Z","fixes":[{"ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","fixed_in":["2.8.5","2.9.2","3.1.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.8.5"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.9.0"},{"fixed":"2.9.2"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.1.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.8.5"}]}],"versions":["2.2.0","2.3.0","2.4.0","2.4.1","2.5.0","2.5.1","2.5.2","2.6.0","2.6.1","2.6.2","2.6.3","2.6.4","2.6.5","2.7.0","2.7.1","2.7.2","2.7.3","2.7.4","2.7.5","2.7.6","2.7.7","2.8.0","2.8.1","2.8.2","2.8.3","2.8.4"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.9.0"},{"fixed":"2.9.2"}]}],"versions":["2.9.0","2.9.1"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.1.1"}]}],"versions":["3.0.0","3.0.1","3.0.2","3.0.3","3.1.0"]}],"products":[{"vendor":"apache","product":"hadoop"},{"vendor":"apache software foundation","product":"apache hadoop"}],"references":[{"url":"https://lists.apache.org/thread.html/2067a797b330530a6932f4b08f703b3173253d0a2b7c8c524e54adaf%40%3Cgeneral.hadoop.apache.org%3E","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/caacbbba2dcc1105163f76f3dfee5fbd22e0417e0783212787086378%40%3Cgeneral.hadoop.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/ea6d2dfbefab8ebe46be18b05136b83ae53b7866f1bc60c680a2b600%40%3Chdfs-dev.hadoop.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/2c9cc65864be0058a5d5ed2025dfb9c700bf23d352b0c826c36ff96a%40%3Chdfs-dev.hadoop.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/f20bb4e055d8394fc525cc7772fb84096f706389043e76220c8a29a4%40%3Chdfs-dev.hadoop.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/ceb16af9139ab0fea24aef935b6321581976887df7ad632e9a515dda%40%3Cdev.lucene.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/9b609d4392d886711e694cf40d86f770022baf42a1b1aa97e8244c87%40%3Cdev.lucene.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/72ca514e01cd5f08151e74f9929799b4cbe1b6e9e6cd24faa72ffcc6%40%3Cdev.lucene.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cdev.flink.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cuser.flink.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11768","tags":["advisory"]},{"url":"https://hadoop.apache.org/cve_list.html","tags":["web"]},{"url":"https://lists.apache.org/thread.html/2067a797b330530a6932f4b08f703b3173253d0a2b7c8c524e54adaf@%3Cgeneral.hadoop.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/2c9cc65864be0058a5d5ed2025dfb9c700bf23d352b0c826c36ff96a@%3Chdfs-dev.hadoop.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/caacbbba2dcc1105163f76f3dfee5fbd22e0417e0783212787086378@%3Cgeneral.hadoop.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/ea6d2dfbefab8ebe46be18b05136b83ae53b7866f1bc60c680a2b600@%3Chdfs-dev.hadoop.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/72ca514e01cd5f08151e74f9929799b4cbe1b6e9e6cd24faa72ffcc6@%3Cdev.lucene.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/9b609d4392d886711e694cf40d86f770022baf42a1b1aa97e8244c87@%3Cdev.lucene.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/ceb16af9139ab0fea24aef935b6321581976887df7ad632e9a515dda@%3Cdev.lucene.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/f20bb4e055d8394fc525cc7772fb84096f706389043e76220c8a29a4@%3Chdfs-dev.hadoop.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb@%3Cdev.flink.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb@%3Cuser.flink.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hx83-rpqf-m267"}],"sources":{"cve":[{"id":"CVE-2018-11768","description":"In Apache Hadoop 3.1.0 to 3.1.1, 3.0.0-alpha1 to 3.0.3, 2.9.0 to 2.9.1, and 2.0.0-alpha to 2.8.4, the user/group information can be corrupted across storing in fsimage and reading back from fsimage.","status":"published","published":"2019-10-04T13:56:56Z","modified":"2024-08-05T08:17:09.225Z","updated_at":"2026-11-02T14:35:09.908186Z"}],"euvd":[{"id":"EUVD-2019-0752","description":"In Apache Hadoop 3.1.0 to 3.1.1, 3.0.0-alpha1 to 3.0.3, 2.9.0 to 2.9.1, and 2.0.0-alpha to 2.8.4, the user/group information can be corrupted across storing in fsimage and reading back from fsimage.","status":"published","published":"2019-10-04T13:56:56Z","modified":"2024-08-05T08:17:09Z","updated_at":"2026-11-03T02:39:54.130594Z"}],"ghsa":[{"id":"GHSA-hx83-rpqf-m267","title":"user/group information can be corrupted across storing in fsimage and reading back from fsimage","description":"In Apache Hadoop 3.1.0 to 3.1.1, 3.0.0-alpha1 to 3.0.3, 2.9.0 to 2.9.1, and 2.0.0-alpha to 2.8.4, the user/group information 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fsimage.","status":"published","published":"2019-10-04T14:15:10.903Z","modified":"2026-06-17T01:36:33.06Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:59.278647Z"}],"osv":[{"id":"CVE-2018-11768","description":"In Apache Hadoop 3.1.0 to 3.1.1, 3.0.0-alpha1 to 3.0.3, 2.9.0 to 2.9.1, and 2.0.0-alpha to 2.8.4, the user/group information can be corrupted across storing in fsimage and reading back from fsimage.","status":"published","published":"2019-10-04T14:15:10.903Z","modified":"2026-10-24T10:31:01.563845834Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:07.934182Z"},{"id":"GHSA-hx83-rpqf-m267","title":"user/group information can be corrupted across storing 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