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 (contr
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.spark:spark-core_2.11 | < 2.3.3 | 2.3.3 |
| Python (PyPI) | pyspark | < 2.3.3 | 2.3.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-10099
- https://github.com/pypa/advisory-database/tree/main/vulns/pyspark/PYSEC-2019-114.yaml
- https://lists.apache.org/thread.html/c2a39c207421797f82823a8aff488dcd332d9544038307bf69a2ba9e@%3Cuser.spark.apache.org%3E
- https://lists.apache.org/thread.html/ra216b7b0dd82a2c12c2df9d6095e689eb3f3d28164e6b6587da69fae@%3Ccommits.spark.apache.org%3E
- https://lists.apache.org/thread.html/rabe1d47e2bf8b8f6d9f3068c8d2679731d57fa73b3a7ed1fa82406d2@%3Cissues.spark.apache.org%3E
- https://github.com/advisories/GHSA-fp5j-3fpf-mhj5
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-312- Platform
- Java / Kotlin (Maven), Python (PyPI)
- Package
org.apache.spark:spark-core_2.11, pyspark- Disclosed
- 07.08.2019
- Updated
- 11.10.2026 12:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-fp5j-3fpf-mhj5 - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2019-114 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: org.apache.spark:spark-core_2.11
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 10
- First → latest
- 09.2017 03.2026
- Without a fix
- 5
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 4
- Medium 5
Disclosures per year
- 2017: 1
- 2018: 4
- 2019: 2
- 2020: 0
- 2021: 0
- 2022: 2
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 1
-
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 (contr this entry
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