Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.

Summary Vulnerabilities have been identified in Apache Log4j Core affecting TLS security and log integrity. The first leaves TLS hostname verification silently ineffective through version 2.25.3, exposing SMTP, Socket, and Syslog appenders to man-in-the-middle attacks. The second introduces CRLF...

Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.

Summary Vulnerabilities have been identified in Apache Log4j Core versions up to 2.25.3 and the Log4j 1-to-2 bridge, covering TLS hostname verification bypass, CRLF log injection, and malformed XML output due to improper character escaping. Collectively, these issues expose applications to...

Security Bulletin: Vulnerability in log4j/2.x affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerability in log4j/2.x has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. . The vulnerability have been addressed. Refer to details for additional information...

Security Bulletin: IBM B2B Advanced Communications is vulnerable to man-in-the-middle attack due to log4j-core (CVE-2025-68161)

Summary IBM B2B Advanced Communications has addressed vulnerabilities in log4j-core shipped with product Vulnerability Details CVEID:CVE-2025-68161 DESCRIPTION: The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer...

Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus for z/OS are vulnerable to multiple vulnerabilities due to Apache Log4j ( CVE-2026-34477, CVE-2026-34478, CVE-2026-34479 & CVE-2026-34480 )

Summary IBM App Connect Enterprise and IBM Integration Bus for z/OS are vulnerable to multiple vulnerabilities due to Apache Log4j. Vulnerability Details CVEID:CVE-2026-34477 DESCRIPTION: The fix for CVE-2025-68161 https://logging.apache.org/security.htmlCVE-2025-68161 was incomplete: it addresse...

Unity Linux 20.1070e Security Update: wildfly-elytron (UTSA-2026-016747)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016747 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: wildfly-common (UTSA-2026-016751)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016751 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: jboss-logging (UTSA-2026-016754)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016754 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: wildfly-core (UTSA-2026-016752)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016752 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: wildfly-security-manager (UTSA-2026-016746)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016746 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: springframework (UTSA-2026-016742)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016742 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: log4j (UTSA-2026-016732)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016732 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: netty (UTSA-2026-016738)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016738 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: jgroups (UTSA-2026-016753)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016753 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Unity Linux 20.1070e Security Update: mybatis (UTSA-2026-016735)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016735 advisory. Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a...

Astra Linux – Vulnerability in Apache Log4j1.2

Log4j 1.2’s JMSAppender is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide configurations for TopicBindingName and TopicConnectionFactoryBindingName, causing JMSAppender to make JNDI requests that lead to remo...

Astra Linux – Vulnerability in Apache Log4j2

Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI, provided that the attacker has control over the target LDAP server. Thi...

Astra Linux – Vulnerability in Apache Log4j2

In Apache Log4j Core versions 2.0-beta9 through 2.25.2, the Socket Appender does not perform TLS hostname verification of the peer certificate, even when the verifyHostName configuration attribute https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostNa...

Astra Linux – Vulnerability in Apache Log4j2

Improper validation of certificates with host mismatches in the Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack, thereby leaking any log messages sent through that appender. This issue has been fixed in Apache Log4j 2.12.3 and 2.13....

Security Bulletin: Vulnerability in Iog4j (CVE-2025-68161) affects IBM PowerVM Novalink.

Summary log4j is used by IBM PowerVM Novalink. IBM PowerVM Novalink has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2025-68161 DESCRIPTION: The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer...