UNKNOWN Microsoft

CVE-2026-34479

Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters

Microsoft Security Update 2026-Apr: Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters

Affected Products

azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34479
https://nvd.nist.gov/vuln/detail/CVE-2026-34479

Published: 2026-04-14 · Source: Microsoft · Feed updated: 2026-08-04

This unknown severity vulnerability was published on 2026-04-14 via Microsoft. Affected: azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0.

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