EUVD-2026-43102

Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. This issue affects Apache Log4j API versions 2.13.1 through 2.25.4 and version 2.26.0. The fix for CVE-2026-34481 did not cover all code paths: wh...

Apache Log4j2 - Remote Code Injection

Apache Log4j2 Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations. id: CVE-2021-45046 info: name: Apache Log4j2 - Remote Code Injection author: ImNightmaree severity: critical description: Apache Log4j2 Thread Context Lookup Pattern is...

CVE-2026-49844

Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. This issue affects Apache Log4j API versions 2.13.1 through 2.25.4 and version 2.26.0. The fix for CVE-2026-34481 did not cover all code paths: wh...

CVE-2026-49844

CVE-2026-49844 describes an issue in the Apache Log4j API where MapMessage.asJson() can emit non-finite IEEE 754 values (NaN, Infinity, -Infinity) as bare tokens during JSON serialization. This affects Log4j API versions 2.13.1–2.25.4 and 2.26.0. The fault occurs when a MapMessage contains an att...

PT-2026-57319

Name of the Vulnerable Software and Affected Versions Apache Log4j API versions 2.13.1 through 2.25.4 Apache Log4j API version 2.26.0 Description Improper encoding of non-finite IEEE 754 floating-point values NaN, Infinity, or -Infinity during MapMessage JSON serialization produces output that is...

org.apache.logging.log4j/log4j-core: Apache Log4j Core: Invalid XML output causes denial of service in logging

A flaw was found in Apache Log4j Core. The XmlLayout component, responsible for formatting log messages into XML, does not properly remove or replace characters that are not allowed in XML 1.0. When log messages or diagnostic information contain these forbidden characters, the resulting XML outpu...

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...

Important: log4j-cve-2021-44228-hotpatch

Issue Overview: No CVE associated with this advisory Affected Packages: log4j-cve-2021-44228-hotpatch Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue Correction: Run yum update...

org.apache.logging.log4j/log4j-core: Apache Log4j Core: Invalid XML output causes denial of service in logging

A flaw was found in Apache Log4j Core. The XmlLayout component, responsible for formatting log messages into XML, does not properly remove or replace characters that are not allowed in XML 1.0. When log messages or diagnostic information contain these forbidden characters, the resulting XML outpu...

Security Bulletin: IBM Sterling External Authentication Server is vulnerable to multiple issues

Summary Multiple vulnerabilities affect IBM Sterling External Authentication Server and are addressed in the latest release and ifix Vulnerability Details CVEID:CVE-2026-2332 DESCRIPTION: In Eclipse Jetty, the HTTP/1.1 parser is vulnerable to request smuggling when chunk extensions are used,...

Security Bulletin: IBM® Db2® federated server is affected by a vulnerability in log4j-core-2.17.2 (CVE-2025-68161)

Summary IBM® Db2® federated server is affected by a vulnerability in log4j-core-2.17.2 CVE-2025-68161 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: Multiple Vulnerabilities affects IBM License Metric Tool v9

Summary Multiple vulnerabilities have been addressed in components used by IBM License Metric Tool 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...

ROOT-APP-MAVEN-CVE-2026-34478 CVE-2026-34478 in io.root.org.apache.logging.log4j:log4j-core - Patched by Root

Root has patched CVE-2026-34478 in the io.root.org.apache.logging.log4j:log4j-core package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2025-68161 CVE-2025-68161 in io.root.org.apache.logging.log4j:log4j-core - Patched by Root

Root has patched CVE-2025-68161 in the io.root.org.apache.logging.log4j:log4j-core package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2026-34480 CVE-2026-34480 in io.root.org.apache.logging.log4j:log4j-core - Patched by Root

Root has patched CVE-2026-34480 in the io.root.org.apache.logging.log4j:log4j-core package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2026-34479 CVE-2026-34479 in io.root.org.apache.logging.log4j:log4j-1.2-api - Patched by Root

Root has patched CVE-2026-34479 in the io.root.org.apache.logging.log4j:log4j-1.2-api package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2026-34481 CVE-2026-34481 in io.root.org.apache.logging.log4j:log4j-layout-template-json - Patched by Root

Root has patched CVE-2026-34481 in the io.root.org.apache.logging.log4j:log4j-layout-template-json package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2026-34477 CVE-2026-34477 in io.root.org.apache.logging.log4j:log4j-core - Patched by Root

Root has patched CVE-2026-34477 in the io.root.org.apache.logging.log4j:log4j-core package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2021-44832 CVE-2021-44832 in io.root.org.apache.logging.log4j:log4j-core - Patched by Root

Root has patched CVE-2021-44832 in the io.root.org.apache.logging.log4j:log4j-core package for Root:Maven. Multiple fixed versions available...

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...