CVE-2026-40023 Apache Log4cxx, Apache Log4cxx (Conan), Apache Log4cxx (Brew): Silent log event loss in XMLLayout due to unescaped XML 1.0 forbidden characters

Apache Log4cxx's XMLLayout https://logging.apache.org/log4cxx/1.7.0/classlog4cxx11xml11XMLLayout.html , in versions before 1.7.0, fails to sanitize characters forbidden by the XML 1.0 specification https://www.w3.org/TR/xml/charsets in log messages, NDC, and MDC property keys and values, producin...

ROS-20251105-03

A vulnerability in the Apache Log4cxx C++ logging framework is related to insufficient cleanup of the user-supplied data when using an ODBC appender to send log messages to a database. Exploitation of the vulnerability could allow an attacker acting remotely to execute arbitrary SQL queries in th...

Debian dla-4322 : liblog4cxx-dev - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4322 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4322-1 [email protected]...

Linux Distros Unpatched Vulnerability : CVE-2025-54812

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HT...

CVE-2025-54812

A flaw was found in log4cxx. When using HTMLLayout, logger names are not properly escaped. This vulnerability allows an attacker to provide untrusted data as a logger name to inject arbitrary HTML content into log output files. This issue can lead to cross-site scripting vulnerabilities if the HT...

CVE-2025-54813

A flaw was found in apache-log4cxx. When utilizing JSONLayout, the component fails to properly escape certain payload bytes, allowing attacker-supplied messages containing specific non-printable characters to be passed through unescaped. This allows an attacker to inject arbitrary data into log...

CVE-2025-54813

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON...

UBUNTU-CVE-2025-54812

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

CVE-2025-54813

CVE-2025-54813 affects Apache Log4cxx prior to 1.5.0, due to improper output neutralization for JSONLayout where certain non‑printable characters in attacker-supplied messages are not escaped, potentially impacting log consumption. Fedora advisory confirms a 1.5.0-1.fc41 update as the fix, and De...

Apache Log4cxx 安全漏洞

Apache Log4cxx is the United States Apache Apache Foundation of a C + + logging framework patterned on Apache log4j . A cross-site scripting vulnerability exists in Apache Log4cxx versions prior to 1.5.0, which stems from HTMLLayout not properly escaping logger names, and can be exploited by an...

UBUNTU-CVE-2023-31038

SQL injection in Log4cxx when using the ODBC appender to send log messages to a database. No fields sent to the database were properly escaped for SQL injection. This has been the case since at least version 0.9.0released 2003-08-06 Note that Log4cxx is a C++ framework, so only C++ applications...

Apache Log4cxx SQL注入漏洞

Apache Log4cxx is a C++ logging framework modeled after Apache log4j from the Apache Foundation. An SQL injection vulnerability exists in Apache Log4cxx versions prior to 1.1.0 that stems from not properly escaping fields sent to the database when using the ODBC add-in to send log messages to the...