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. 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 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 aliases: - CVE-2019-12410 - GHSA-cjw4-2w9r-r8mv modified: "2021-08-27T03:22:16.568373Z" published: "2019-11-08T19:15:00Z"