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.
{ "nvd_published_at": "2019-11-08T19:15:00Z", "cwe_ids": [ "CWE-909" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2022-06-28T14:36:30Z" }