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5.3 Moyenne

CVE-2026-105239 Improper Neutralization of Null Byte or NUL Character vulnerability in the EventLogAppender of Apache log4net

Description

Improper Neutralization of Null Byte or NUL Character vulnerability in the EventLogAppender of Apache log4net. A NUL character in logged content ended the Windows Event Log record at that point, so everything the layout rendered after it, including exception text and trailing fields, was silently not stored. A party whose data reaches a log message could hide the rest of that record. Only applications on Windows that use EventLogAppender are affected. This issue affects Apache log4net: from 1.2.9 before 3.5.0. Users are recommended to upgrade to version 3.5.0, which fixes the issue.

Produits et versions touchés

Produit Versions touchées Corrigé en
Apache Log4net Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification
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