{"id":"CVE-2021-41561","aliases":["EUVD-2022-0600","GHSA-gc67-crq6-hgh5"],"status":"published","title":"Apache Parquet-MR potential DoS in case of malicious Parquet file","description":"Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.","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":"2026-11-10","score":0.03152,"percentile":0.88055,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2021-12-20T11:20:11Z","modified":"2026-10-24T10:30:25Z","fixes":[{"ecosystem":"Maven","package":"org.apache.parquet:parquet","fixed_in":["1.12.2","1.11.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.parquet:parquet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.12.0"},{"fixed":"1.12.2"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.parquet:parquet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.parquet:parquet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.12.0"},{"fixed":"1.12.2"}]}],"versions":["1.12.0","1.12.1"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.parquet:parquet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.2"}]}],"versions":["1.10.0","1.10.1","1.11.0","1.11.1","1.7.0","1.8.0","1.8.1","1.8.2","1.8.3","1.9.0"]}],"products":[{"vendor":"apache","product":"parquet_java"},{"vendor":"apache software foundation","product":"apache parquet"}],"references":[{"url":"https://lists.apache.org/thread/1bjlscbqtfzl160hrm9lnpjpppp5z3zr","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2021/12/20/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41561","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gc67-crq6-hgh5"},{"url":"https://github.com/apache/parquet-mr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-41561","title":"Apache Parquet-MR potential DoS in case of malicious Parquet file","description":"Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.","status":"published","published":"2021-12-20T11:20:11Z","modified":"2024-08-04T03:15:29.26Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2022-0600","description":"Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.","status":"published","published":"2021-12-20T11:20:11Z","modified":"2024-08-04T03:15:29Z","updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-gc67-crq6-hgh5","title":"Improper Input Validation in Parquet-MR","description":"Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.","status":"published","published":"2022-01-06T23:59:25Z","modified":"2023-04-14T16:35:33Z","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-20"],"updated_at":"2026-11-02T14:36:50.476488Z"}],"nvd":[{"id":"CVE-2021-41561","description":"Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.","status":"published","published":"2021-12-20T12:15:07.333Z","modified":"2026-06-17T04:08:39.143Z","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-20"],"updated_at":"2026-11-02T14:07:02.566991Z"}],"osv":[{"id":"CVE-2021-41561","description":"Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.","status":"published","published":"2021-12-20T12:15:07.333Z","modified":"2026-10-24T10:30:25.211052507Z","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"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"GHSA-gc67-crq6-hgh5","title":"Improper Input Validation in Parquet-MR","description":"Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.","status":"published","published":"2022-01-06T23:59:25Z","modified":"2023-11-08T04:06:59.842754Z","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-20"],"updated_at":"2026-11-02T15:46:47.472172Z"}]}}