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CLEANSTART-2026-JY79008 Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON

🗓️ 10 Sep 2026 03:03:42Reported by GoogleType 
osv
 osv🔗 osv.dev👁 17 Views

Improper encoding of non-finite floats in Log4j MapMessage JSON serialization produces invalid JSON.

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18 Sep 2026 12:17Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.19.8
EPSS0.02127
Apache Log4jMapMessageJSON serializationImproper encodingnon-finite floatsinvalid JSON
17