Apache Software Foundation Apache Log4net

• CVE-2026-105244 Medium 5.3 Apache log4net: RemoteSyslogAppender silently deletes non-ASCII content 0.8%
• CVE-2026-105243 Medium 5.3 Apache log4net: Oversize EventLogAppender record silently discarded 0.8%
• CVE-2026-105242 Medium 5.3 Apache log4net: Request validation failure drops the event in the aspnet-request converter 0.8%
• CVE-2026-105241 Medium 5.3 Apache log4net: Unencodable content discards a whole SmtpPickupDirAppender batch 0.8%
• CVE-2026-105240 Medium 5.3 Apache log4net: NUL character truncates OutputDebugStringAppender records 0.8%
• CVE-2026-105239 Medium 5.3 Apache log4net: NUL character truncates EventLogAppender records 0.8%
• CVE-2026-40021 Medium 6.3 Apache Log4net: Silent log event loss in XmlLayout and XmlLayoutSchemaLog4J due to unescaped XML 1.0 forbidden characters 0.8%