CVE-2019-12408 Missing Initialization of Resource in Apache Arrow

What is CVE-2019-12408?

CVE-2019-12408 is a high-severity vulnerability in Apache Arrow, published on 8 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

It was discovered that the C++ implementation (which underlies the R, Python and Ruby implementations) of Apache Arrow 0.14.0 to 0.14.1 had a uninitialized memory bug when building arrays with null values in some cases. This can lead to uninitialized memory being unintentionally shared if Arrow Arrays are transmitted over the wire (for instance with Flight) or persisted in the streaming IPC and file formats.

Weakness: CWE-909

Which versions are affected by CVE-2019-12408?

5 open source packages ship an affected version, including pyarrow and red-arrow. It affects 1 product.

Products include Apache Arrow.

How do I fix CVE-2019-12408?

Upgrade pyarrow to a fixed version for your release line: 0.15.0 or 0.15.1.

Is CVE-2019-12408 being exploited?

There is no known exploitation of CVE-2019-12408 in the wild and no public exploit code.

Other vulnerabilities in Apache Arrow

• CVE-2024-52338 Apache Arrow R package: Arbitrary code execution when loading a malicious data file Critical 9.8
• CVE-2024-41178 Apache Arrow Rust Object Store: AWS WebIdentityToken exposure in log files High 7.5
• CVE-2019-12410 Missing Initialization of Resource in Apache Arrow High 7.5
• CVE-2026-25087 Apache Arrow: Potential use-after-free when reading IPC file with pre-buffering High 7.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8cw2-jv5c-c825, PYSEC-2019-195.