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Vulnerability record · CVE-2018-11768 · published 4 October 2019

CVE-2018-11768: Apache hadoop memory buffer overflow vulnerability

Apache · Hadoop

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.

7.5 CVSS 3.1 High EPSS 6.6% · top 6.4% CWE-119 · Memory buffer overflow
7.5CVSS 3.1 base score, v2 5.0
6.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread.html/2067a797b330530a6932f4b08f703b3173253d0a2b7c8c524e54adaf%40%3Cgeneral.hadoop.apache
https://lists.apache.org/thread.html/2c9cc65864be0058a5d5ed2025dfb9c700bf23d352b0c826c36ff96a%40%3Chdfs-dev.hadoop.apach
https://lists.apache.org/thread.html/72ca514e01cd5f08151e74f9929799b4cbe1b6e9e6cd24faa72ffcc6%40%3Cdev.lucene.apache.org
https://lists.apache.org/thread.html/9b609d4392d886711e694cf40d86f770022baf42a1b1aa97e8244c87%40%3Cdev.lucene.apache.org
https://lists.apache.org/thread.html/caacbbba2dcc1105163f76f3dfee5fbd22e0417e0783212787086378%40%3Cgeneral.hadoop.apache
https://lists.apache.org/thread.html/ceb16af9139ab0fea24aef935b6321581976887df7ad632e9a515dda%40%3Cdev.lucene.apache.org
https://lists.apache.org/thread.html/ea6d2dfbefab8ebe46be18b05136b83ae53b7866f1bc60c680a2b600%40%3Chdfs-dev.hadoop.apach
https://lists.apache.org/thread.html/f20bb4e055d8394fc525cc7772fb84096f706389043e76220c8a29a4%40%3Chdfs-dev.hadoop.apach
https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cdev.flink.apache.org
https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cuser.flink.apache.or
https://lists.apache.org/thread.html/2067a797b330530a6932f4b08f703b3173253d0a2b7c8c524e54adaf%40%3Cgeneral.hadoop.apache
https://lists.apache.org/thread.html/2c9cc65864be0058a5d5ed2025dfb9c700bf23d352b0c826c36ff96a%40%3Chdfs-dev.hadoop.apach
https://lists.apache.org/thread.html/72ca514e01cd5f08151e74f9929799b4cbe1b6e9e6cd24faa72ffcc6%40%3Cdev.lucene.apache.org
https://lists.apache.org/thread.html/9b609d4392d886711e694cf40d86f770022baf42a1b1aa97e8244c87%40%3Cdev.lucene.apache.org
https://lists.apache.org/thread.html/caacbbba2dcc1105163f76f3dfee5fbd22e0417e0783212787086378%40%3Cgeneral.hadoop.apache
https://lists.apache.org/thread.html/ceb16af9139ab0fea24aef935b6321581976887df7ad632e9a515dda%40%3Cdev.lucene.apache.org
https://lists.apache.org/thread.html/ea6d2dfbefab8ebe46be18b05136b83ae53b7866f1bc60c680a2b600%40%3Chdfs-dev.hadoop.apach
https://lists.apache.org/thread.html/f20bb4e055d8394fc525cc7772fb84096f706389043e76220c8a29a4%40%3Chdfs-dev.hadoop.apach
https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cdev.flink.apache.org
https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cuser.flink.apache.or

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Source: NIST National Vulnerability Database (record CVE-2018-11768), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.