CVE-2026-40021 Apache Log4net: Silent log event loss in XmlLayout and XmlLayoutSchemaLog4J due to unescaped XML 1.0 forbidden characters

Apache Log4net's XmlLayout https://logging.apache.org/log4net/manual/configuration/layouts.htmllayout-list and XmlLayoutSchemaLog4J https://logging.apache.org/log4net/manual/configuration/layouts.htmllayout-list , in versions before 3.3.0, fail to sanitize characters forbidden by the XML 1.0...

CVE-2026-34479 Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters

The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1.0 standard, producing malformed XML output. Conforming XML parsers are required to reject documents containing such characters with a fatal error, which may cause downstream log...

[SECURITY] Fedora 24 Update: xerces-c-3.1.3-1.fc24

Xerces-C is a validating XML parser written in a portable subset of C++. Xerces-C makes it easy to give your application the ability to read and write XML data. A shared library is provided for parsing, generating, manipulating, and validating XML documents. Xerces-C is faithful to the XML 1.0...

[SECURITY] Fedora 20 Update: xerces-c-3.1.1-6.fc20

Xerces-C is a validating XML parser written in a portable subset of C++. Xerces-C makes it easy to give your application the ability to read and write XML data. A shared library is provided for parsing, generating, manipulating, and validating XML documents. Xerces-C is faithful to the XML 1.0...

[SECURITY] Fedora 21 Update: xerces-c-3.1.1-8.fc21

Xerces-C is a validating XML parser written in a portable subset of C++. Xerces-C makes it easy to give your application the ability to read and write XML data. A shared library is provided for parsing, generating, manipulating, and validating XML documents. Xerces-C is faithful to the XML 1.0...

[SECURITY] Fedora 11 Update: xerces-c27-2.7.0-8.fc11

Xerces-C is a validating XML parser written in a portable subset of C++. Xerces-C makes it easy to give your application the ability to read and wri te XML data. A shared library is provided for parsing, generating, manipulatin g, and validating XML documents. Xerces-C is faithful to the XML 1.0...

Microsoft XML Core Services XMLHttpRequest SetCookie2头信息泄露漏洞

BUGTRAQ ID: 33803 CVECAN ID: CVE-2009-0419 Microsoft XML Core Services（MSXML）允许使用JScript、VBScript和Visual Studio 6.0的用户开发基于XML的应用，以与其他遵循XML 1.0标准的应用程序交互操作。 Microsoft XML Core Services没有正确地限制网页对Set-Cookie2 HTTP响应头的访问，远程攻击者可以通过XMLHttpRequest调用绕过HTTPOnly保护机制读取敏感信息。 Microsoft XML Core Services 6.0...