{"cve":"CVE-2019-12410","nvd":{"published":"2019-11-08T19:15:10.287","modified":"2026-06-17T02:14:35.977","status":"Modified","description":"While investigating UBSAN errors in https://github.com/apache/arrow/pull/5365 it was discovered Apache Arrow versions 0.12.0 to 0.14.1, left memory Array data uninitialized when reading RLE null data from parquet. This affected the C++, Python, Ruby and R implementations. The uninitialized memory could potentially be shared if are transmitted over the wire (for instance with Flight) or persisted in the streaming IPC and file formats.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-909"],"references":["http://www.openwall.com/lists/oss-security/2019/11/08/1","https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269%40%3Cdev.arrow.apache.org%3E","https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269%40%3Cdev.arrow.apache.org%3E","https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269%40%3Cdev.arrow.apache.org%3E","https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269%40%3Cdev.arrow.apache.org%3E"],"products":["apache:arrow"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-12410","score":0.04608,"percentile":0.91677,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cjw4-2w9r-r8mv","url":"https://osv.dev/vulnerability/GHSA-cjw4-2w9r-r8mv","summary":"Missing Initialization of Resource in Apache Arrow","modified":"2024-10-21T20:26:49.848433Z","packages":[{"ecosystem":"PyPI","name":"pyarrow","purl":"pkg:pypi/pyarrow","ranges":[">=0.12.0 <0.15.1"],"fixed":["0.15.1"]},{"ecosystem":"RubyGems","name":"red-arrow","purl":"pkg:gem/red-arrow","ranges":[">=0.12.0 <0.15.1"],"fixed":["0.15.1"]}]},{"id":"PYSEC-2019-196","url":"https://osv.dev/vulnerability/PYSEC-2019-196","summary":"","modified":"2023-11-08T04:01:04.600457Z","packages":[{"ecosystem":"PyPI","name":"pyarrow","purl":"pkg:pypi/pyarrow","ranges":[">=0.12.0 <0.15.0"],"fixed":["0.15.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}