CVE-2022-23852

Expat (también se conoce como libexpat) versiones anteriores a 2.4.4, presenta un desbordamiento de enteros con signo en la función XML_GetBuffer, para configuraciones con un XML_CONTEXT_BYTES no nulo

expat (libexpat) is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability, confidentiality and integrity.

Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.51 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 10, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include code execution, integer overflow, null pointer, out of bounds read, out of bounds write, and server-side request forgery vulnerabilities.