{"advisories":[{"id":"GHSA-92cc-952p-v8rh","source":"ghsa","title":"Apache Hadoop HDFS Native Client has Out-of-bounds Write Vulnerability ","url":"https://github.com/advisories/GHSA-92cc-952p-v8rh"}],"cve":"CVE-2025-27821","enrichment":{"created":"2026-01-27T20:17:54.874909+00:00","updated":"2026-01-27T20:17:54.874935+00:00","vendors":["apache","apache$PRODUCT$hadoop"]},"epss":{"score":0.00964},"mitre":{"cpes":[],"created":"2026-01-26T09:44:13.532000+00:00","description":"Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client.\n\nThis issue affects Apache Hadoop: from 3.2.0 before 3.4.2.\n\nUsers are recommended to upgrade to version 3.4.2, which fixes the issue.","metrics":{"cvssV2_0":{},"cvssV3_0":{},"cvssV3_1":{},"cvssV4_0":{}},"mitre_repo_path":"cves/2025/27xxx/CVE-2025-27821.json","references":["https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplh"],"title":"HDFS native client: Out of bounds write in URI parser of native HDFS client","updated":"2026-01-26T18:13:19.241000+00:00","vendors":[],"weaknesses":["CWE-787"]},"nvd":{"cpes":["cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*"],"created":"2026-01-26T10:16:05.033000+00:00","description":"Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client.\n\nThis issue affects Apache Hadoop: from 3.2.0 before 3.4.2.\n\nUsers are recommended to upgrade to version 3.4.2, which fixes the issue.","metrics":{"cvssV2_0":{},"cvssV3_0":{},"cvssV3_1":{"score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"cvssV4_0":{}},"nvd_repo_path":"2025/CVE-2025-27821.json","references":["http://www.openwall.com/lists/oss-security/2026/01/23/7","https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplh"],"title":null,"updated":"2026-06-17T09:04:16.920000+00:00","vendors":["apache","apache$PRODUCT$hadoop"],"weaknesses":["CWE-787"]},"opencve":{"changes":[{"created":"2026-01-26T10:00:00+00:00","data":[{"details":{"new":"Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client.\n\nThis issue affects Apache Hadoop: from 3.2.0 before 3.4.2.\n\nUsers are recommended to upgrade to version 3.4.2, which fixes the issue.","old":null},"type":"description"},{"details":{"new":"HDFS native client: Out of bounds write in URI parser of native HDFS client","old":null},"type":"title"},{"details":{"added":["CWE-787"],"removed":[]},"type":"weaknesses"},{"details":{"added":["https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplh"],"removed":[]},"type":"references"}],"id":"0608819a-f09b-4014-bee4-8ca2a01934b2"},{"created":"2026-01-26T10:30:00+00:00","data":[{"details":{"added":["http://www.openwall.com/lists/oss-security/2026/01/23/7"],"removed":[]},"type":"references"}],"id":"61fb7057-1036-4e75-a972-73e83019c140"},{"created":"2026-01-26T19:15:00+00:00","data":[{"details":{"added":{"cvssV3_1":{"score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"ssvc":{"options":{"Automatable":"yes","Exploitation":"none","Technical Impact":"partial"},"version":"2.0.3"}},"removed":{},"updated":{}},"type":"metrics"}],"id":"3b2b3c9a-8fe6-49d1-afb7-9619f495af21"},{"created":"2026-01-27T20:30:00+00:00","data":[{"details":["apache","apache$PRODUCT$hadoop"],"type":"first_time"},{"details":{"added":["apache","apache$PRODUCT$hadoop"],"removed":[]},"type":"vendors"}],"id":"4ac3f3b5-ac77-4b87-9b90-963d2bb72720"},{"created":"2026-01-27T20:45:00+00:00","data":[{"details":{"added":["cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*"],"removed":[]},"type":"cpes"}],"id":"e32d9b1c-e960-4491-a8b8-3cbe32f24734"}],"cpes":{"data":["cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*"],"providers":["nvd"]},"created":{"data":"2026-01-26T09:44:13.532000+00:00","provider":"mitre"},"description":{"data":"Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client.\n\nThis issue affects Apache Hadoop: from 3.2.0 before 3.4.2.\n\nUsers are recommended to upgrade to version 3.4.2, which fixes the issue.","provider":"mitre"},"metrics":{"cvssV2_0":{"data":{},"provider":null},"cvssV3_0":{"data":{},"provider":null},"cvssV3_1":{"data":{"score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"provider":"vulnrichment"},"cvssV4_0":{"data":{},"provider":null},"epss":{"data":{"score":0.00964},"provider":"first"},"kev":{"data":{},"provider":null},"ssvc":{"data":{"options":{"Automatable":"yes","Exploitation":"none","Technical Impact":"partial"},"version":"2.0.3"},"provider":"vulnrichment"},"threat_severity":{"data":null,"provider":null}},"references":{"data":["http://www.openwall.com/lists/oss-security/2026/01/23/7","https://lists.apache.org/thread/kwjhyyx0wl2z9b0mw0styjk0hhdbyplh"],"providers":["mitre","nvd"]},"title":{"data":"HDFS native client: Out of bounds write in URI parser of native HDFS client","provider":"mitre"},"updated":{"data":"2026-01-27T20:30:26.927000+00:00","provider":"nvd"},"vendors":{"data":["apache","apache$PRODUCT$hadoop"],"providers":["nvd","enrichment"]},"weaknesses":{"data":["CWE-787"],"providers":["mitre","nvd"]}},"vulnrichment":{"cpes":[],"created":"2026-01-26T09:44:13.532000+00:00","description":"Out-of-bounds Write vulnerability in Apache Hadoop HDFS native client.\n\nThis issue affects Apache Hadoop: from 3.2.0 before 3.4.2.\n\nUsers are recommended to upgrade to version 3.4.2, which fixes the issue.","metrics":{"cvssV2_0":{},"cvssV3_0":{},"cvssV3_1":{"score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"cvssV4_0":{},"kev":{},"ssvc":{"options":{"Automatable":"yes","Exploitation":"none","Technical Impact":"partial"},"version":"2.0.3"}},"references":[],"title":"HDFS native client: Out of bounds write in URI parser of native HDFS client","updated":"2026-01-26T18:13:06.272000+00:00","vendors":[],"vulnrichment_repo_path":"2025/27xxx/CVE-2025-27821.json","weaknesses":[]}}