CVE-2019-12410

high

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.

References

https://lists.apache.org/thread.html/efd8bbf57427d3c303b5316d208a335f8d0c0dbe0dc4c87cfa995073%40%3Cannounce.apache.org%3E

https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269%40%3Cdev.arrow.apache.org%3E

http://www.openwall.com/lists/oss-security/2019/11/08/1

Details

Source: Mitre, NVD

Published: 2019-11-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.05281