{"id":"PYSEC-2019-196","details":"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.","aliases":["CVE-2019-12410","GHSA-cjw4-2w9r-r8mv"],"modified":"2023-11-01T04:50:19.802341Z","published":"2019-11-08T19:15:00Z","references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269@%3Cdev.arrow.apache.org%3E"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/11/08/1"},{"type":"WEB","url":"https://lists.apache.org/thread.html/efd8bbf57427d3c303b5316d208a335f8d0c0dbe0dc4c87cfa995073@%3Cannounce.apache.org%3E"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-cjw4-2w9r-r8mv"}],"affected":[{"package":{"name":"pyarrow","ecosystem":"PyPI","purl":"pkg:pypi/pyarrow"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.12.0"},{"fixed":"0.15.0"}]}],"versions":["0.12.0","0.12.1","0.13.0","0.14.0","0.14.1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pyarrow/PYSEC-2019-196.yaml"}}],"schema_version":"1.7.3"}