Apache Log4j 2.21.0 < 2.25.4 Rfc5424Layout Log Injection (CVE-2026-34478)

The version of Apache Log4j on the remote host is 2.21.0 through 2.25.3. It is, therefore, affected by a vulnerability: - The Rfc5424Layout is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. The newLineEscape attribute was...

GHSA-445C-VH5M-36RJ Apache Log4j Core: log injection in `Rfc5424Layout` due to silent configuration incompatibility

Apache Log4j Core's Rfc5424Layout, in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect users of stream-based syslog services who configure Rfc5424Layout directly:...

CVE-2026-34478

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

CVE-2026-34478

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

Apache Log4j 安全漏洞

Apache Log4j is an open-source logging tool based on Java, developed by the Apache Foundation in the United States. Versions of Apache Log4j 2.21.0 to 2.25.3 contain security vulnerabilities. These vulnerabilities stem from CRLF sequence log injection in the RFC5424Layout, which may lead to CRLF...

PT-2026-31940

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...