RHLW-2026-97A6348484D7BBF1 Lightwell Security Advisory: log4j-core 2.24.3.rhlw-00004

Red Hat Lightwell has released org.apache.logging.log4j:log4j-core 2.24.3.rhlw-00004 with backported fixes for CVE-2025-68161, CVE-2026-34477, CVE-2026-34478, and CVE-2026-34480. CVE-2025-68161: Apache Log4j Core: Missing TLS hostname verification in Socket appender CVE-2026-34477: Apache Log4j...

RHLW-2026-64CFAC683D7A9AF7 Lightwell Security Advisory: log4j-1.2-api 2.24.3.rhlw-00004

Red Hat Lightwell has released org.apache.logging.log4j:log4j-1.2-api 2.24.3.rhlw-00004 with backported fixes for CVE-2025-68161, CVE-2026-34477, CVE-2026-34478, and CVE-2026-34480. CVE-2025-68161: Apache Log4j Core: Missing TLS hostname verification in Socket appender CVE-2026-34477: Apache Log4...

CLEANSTART-2026-CP64029 Apache Log4j Core's Rfc5424Layout https://logging

Security vulnerability affects the wso2am package. Apache Log4j Core's Rfc5424Layout https://logging...

CLEANSTART-2026-DZ37385 Apache Log4j Core's Rfc5424Layout https://logging

Security vulnerability affects the sonarqube package. Apache Log4j Core's Rfc5424Layout https://logging...

CLEANSTART-2026-GW86512 Apache Log4j Core's Rfc5424Layout https://logging

Security vulnerability affects the spark-sc212-jdk17-py311 package. Apache Log4j Core's Rfc5424Layout https://logging...

PT-2026-108415

Security vulnerability affects the spark-sc212-jdk17-py311 package. Apache Log4j Core's Rfc5424Layout https://logging...

org.apache.logging.log4j/log4j-core: Apache Log4j Core: Log injection via CRLF sequences due to configuration attribute renames

A flaw was found in Apache Log4j Core. This vulnerability allows for log injection through the use of Carriage Return Line Feed CRLF sequences. This occurs because security-related configuration attributes were silently renamed, impacting users who directly configure Rfc5424Layout with stream-bas...

org.apache.logging.log4j/log4j-core: Apache Log4j Core: Log injection via CRLF sequences due to configuration attribute renames

A flaw was found in Apache Log4j Core. This vulnerability allows for log injection through the use of Carriage Return Line Feed CRLF sequences. This occurs because security-related configuration attributes were silently renamed, impacting users who directly configure Rfc5424Layout with stream-bas...

Security Bulletin: IBM QRadar SIEM contains components with known vulnerabilities

Summary Multiple components with known vulnerabilities were addressed in IBM QRadar SIEM Vulnerability Details CVEID:CVE-2026-34477 DESCRIPTION: The fix for CVE-2025-68161 https://logging.apache.org/security.htmlCVE-2025-68161 was incomplete: it addressed hostname verification only when enabled v...

org.apache.logging.log4j/log4j-core: Apache Log4j Core: Log injection via CRLF sequences due to configuration attribute renames

A flaw was found in Apache Log4j Core. This vulnerability allows for log injection through the use of Carriage Return Line Feed CRLF sequences. This occurs because security-related configuration attributes were silently renamed, impacting users who directly configure Rfc5424Layout with stream-bas...

Security Bulletin: Multiple Vulnerabilities affect IBM Decision Optimization for Cloud Pak for Data.

Summary Multiple Vulnerabilities were addressed in IBM Decision Optimization for Cloud Pak for Data version 5.3.1 patch 6 Vulnerability Details CVEID:CVE-2026-34477 DESCRIPTION: The fix for CVE-2025-68161 https://logging.apache.org/security.htmlCVE-2025-68161 was incomplete: it addressed hostname...

org.apache.logging.log4j/log4j-core: Apache Log4j Core: Log injection via CRLF sequences due to configuration attribute renames

A flaw was found in Apache Log4j Core. This vulnerability allows for log injection through the use of Carriage Return Line Feed CRLF sequences. This occurs because security-related configuration attributes were silently renamed, impacting users who directly configure Rfc5424Layout with stream-bas...

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...

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 security vulnerability

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...

CVE-2026-34478: Incorrect Provision of Specified Functionality

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...

PT-2026-31940

Name of the Vulnerable Software and Affected Versions Apache Log4j Core versions 2.21.0 through 2.25.3 Description The Rfc5424Layout component is susceptible to log injection via CRLF Carriage Return Line Feed sequences. This occurs because security-relevant configuration attributes were renamed...