AL
Product
Apache Log4j 1 to Log4j 2 bridge
by Apache Software Foundation · last CVE Apr 10, 2026
1
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 1Medium 0Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-34479
7.5
1%
Apr 10
Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters
Affected: 2.7 before 2.25.4; 3.0.0-alpha1 through 3.0.0-beta2
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