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ROS-20260813-73-0050

The vulnerability of the verifyHostName configuration parameter in the Apache Log4j Core logging library is related to errors in the certificate validation process. Exploiting this vulnerability allows a malicious actor to carry out a “man-in-the-middle” attack remotely...

org.apache.logging.log4j: Apache Log4j JsonTemplateLayout: Denial of Service via invalid JSON output

A flaw was found in Apache Log4j's JsonTemplateLayout. This vulnerability allows a remote attacker to disrupt log processing systems. By sending log events that include specific non-numeric floating-point values, the attacker can cause the JsonTemplateLayout to generate invalid JSON output. This...

Improper Encoding Or Escaping Of Output

Apache Log4j API is vulnerable to Improper Encoding or Escaping of Output. The vulnerability is due to improper encoding of non-finite floating-point values during MapMessage JSON serialization, which allows an attacker to inject NaN or Infinity values that produce malformed JSON and disrupt...

Security Bulletin: IBM Storage Protect Data Protection for Virtual Environments uses Apache Log4j version that is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes ( CVE-2026-34478)

Summary IBM Storage Protect Data Protection for Virtual Environments uses Apache Log4j version that is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. This issue has been fixed in this release by incorporating the Apache...

OESA-2026-3153 log4j security update

Log4j is a tool to help the programmer output log statements to a variety of output targets. Security Fixes: Apache Log4j's JsonTemplateLayout in versions up to and including 2.25.3 produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity,...

Oracle Primavera Unifier (July 2026 CPU)

The versions of Primavera Unifier installed on the remote host are affected by multiple vulnerabilities as referenced in the July 2026 CPU advisory. - Vulnerability in the Primavera Unifier product of Oracle Construction and Engineering component: Integration Lodash. Supported versions that are...

Apache Log4j 2.13.1 < 2.25.5 / 2.26.0 < 2.26.1 Improper JSON Serialization (CVE-2026-49844)

The version of Apache Log4j on the remote host is affected by a vulnerability: - Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. When a MapMessage contains a non-finite IEEE 754 value NaN,...

GHSA-QV9R-C865-CP47 Apache Log4j API: Improper encoding of non-finite floating-point values during MapMessage JSON serialization

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...

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: The Apache Log4J 2 package that is shipped with IBM ApplinX is vulnerable to multiple vulnerabilities (CVE-2026-34480, CVE-2026-34477, CVE-2026-34478, CVE-2026-34479).

Summary The Apache Log4J 2 package that is shipped with IBM ApplinX is vulnerable to an Improper Encoding or Escaping of Output vulnerability, an Improper Validation of Certificate with Host Mismatch vulnerability and an Improper Output Neutralization for Logs vulnerability CVE-2026-34480,...

Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Apache Log4j and Bouncy Castle.

Summary IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Apache Log4j and Bouncy Castle. 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 hostnam...

Apache Log4j 2.12.0 < 2.25.4 SSL Hostname Verification Bypass (CVE-2026-34477)

The version of Apache Log4j on the remote host is 2.12.0 through 2.25.3. It is, therefore, affected by a vulnerability: - The verifyHostName configuration attribute of the Ssl element was silently ignored in all versions through 2.25.3, leaving TLS connections vulnerable to interception via...

Improper Certificate Validation

Apache Log4j Core is vulnerable to Improper Certificate Validation. The vulnerability is due to ignored hostname verification settings in TLS configuration, which allows an attacker to perform a man-in-the-middle attack by presenting a trusted certificate and intercepting secure communications...

CVE-2026-34480

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...

Linux Distros Unpatched Vulnerability : CVE-2026-34481

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces inval...

Improper Output Handling

Apache Log4j is vulnerable to Improper Output Handling. The vulnerability is due to JsonTemplateLayout generating invalid JSON when processing non-finite floating-point values e.g., NaN, Infinity, which are not compliant with RFC 8259, allowing attacker-controlled data in log events to produce...

EUVD-2026-21412

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity, which are prohibited by RFC 8259. Th...

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-2026-34481

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values NaN, Infinity, or -Infinity, which are prohibited by RFC 8259. Th...