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apache
log4j
,
apache software foundation
log4j 1 to log4j 2 bridge
+1 more
Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters
CVE-2026-34479
Fix available
6.9
Medium
April 10, 2026
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