Anoopam Sharma created SPARK-58877:
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Summary: [BUILD] Upgrade Log4j from 2.26.0 to 2.26.1
Key: SPARK-58877
URL: https://issues.apache.org/jira/browse/SPARK-58877
Project: Spark
Issue Type: Improvement
Components: Build
Affects Versions: 5.0.0
Reporter: Anoopam Sharma
Upgrade Log4j from 2.26.0 to 2.26.1 to fix CVE-2026-49844.
CVE-2026-49844 (MEDIUM 5.9): Improper encoding of non-finite floating-point
values during MapMessage JSON serialization produces invalid JSON output.
Fixed in Log4j 2.26.1 (released 2026-07-15).
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