Threats Tagged 'ubuntu-cve-2026-49844'
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Threats Tagged 'ubuntu-cve-2026-49844'
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UBUNTU-CVE-2026-49844CVE-2026-49844 0 Apache Log4j API versions 2.13.1 through 2.25.4 and 2.26.0 improperly encode non-finite floating-point values (NaN, Infinity, -Infinity) during MapMessage JSON serialization. This results in output that is not valid JSON according to RFC 8259, potentially causing malformed log records or disruption in downstream log processing. The issue occurs only if the application uses JsonTemplateLayout or other layouts relying on MapMessage.asJson() and logs attacker-controlled non-finite floating-point values. Fixed in versions 2.25.5 and 2.26.1. Join the discussion | GCVE Database | 07/10/2026, 22:16:00 UTC Added: 07/16/2026, 10:38:09 UTC |
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