CVE-2026-34479: Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters
Overview
- Severity
- N/A
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Apr
- Released
- 2026-04-15
- Last Updated
- 2026-04-30
- EPSS Score
- 0.53% (percentile: 42.1%)
Affected Products (1)
Open Source Software
- azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0
Revision History
- 2026-04-15: Information published.
- 2026-04-17: Information published.
- 2026-04-30: Information published.