CVE-2019-10099

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Prior to Spark 2.3.3, in certain situations Spark would write user data to local disk unencrypted, even if spark.io.encryption.enabled=true. This includes cached blocks that are fetched to disk (controlled by spark.maxRemoteBlockSizeFetchToMem); in SparkR, using parallelize; in Pyspark, using broadcast and parallelize; and use of python udfs.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-312

Affected software

Vendor	Product	Versions
Apache	Apache Spark	2.3.2 and below

References

Timeline

Published: Aug 7, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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