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Fencer Intel
high 7.5

CVE-2019-12410 json

Missing Initialization of Resource in Apache Arrow

published 7y ago modified 4mo ago also GHSA-cjw4-2w9r-r8mv , PYSEC-2019-196 , EUVD-2019-0107

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi pyarrow 0.15.0, 0.15.1
  • rubygems red-arrow 0.15.1

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Exploit prediction

4.61% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi pyarrow
>=0.12.0, <0.15.1
>=0.12.0, <0.15.0
0.15.1
0.15.0
rubygems red-arrow
>=0.12.0, <0.15.1
0.15.1

Affected products

  • Apache Software Foundation Apache Arrow

Classification

Weakness
  • CWE-909 Missing Initialization of Resource

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.