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Safety information:

Multiple vulnerabilities in “Apache log4j”

Several vulnerabilities have been identified in “Apache log4j”: CVE-2026-34477, CVE-2026-34478, CVE-2026-34479, CVE-2026-34480, CVE-2026-34481.

We would like to take this opportunity to inform you about these security vulnerabilities and their implications.

I. Summary

“Apache log4j” is a framework for logging application messages in Java. Attackers can exploit several vulnerabilities (in versions older than 2.25.4) to manipulate files.

More information is available at https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1067.

II. Impact on our products

No products from TA Triumph-Adler and UTAX are affected by these vulnerabilities.