CVE-2022-23308 valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

CVE-2022-23308 valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

A remote attacker could exploit this flaw to cause a denial of service or possibly have unspecified other impact. libxml2 is used by products as diverse as Google Search, Mozilla Thunderbird, and VLC media player. Red Hat has provided a patch for the issue.
Red Hat has provided a patch for the issue.

On 5 November 2018, the CERT/CC published a warning to users of Red Hat packages, including Red Hat Enterprise Linux, Red Hat Enterprise Suite, Red Hat Enterprise Virtualization, Red Hat OpenStack, and Red Hat Satellite. The advisory states that there are several issues in libxml2, including a use-after-free in the XPointer handling. An attacker could exploit this vulnerability to cause a denial of service or possibly have unspecified other impact.
Red Hat has released patches for the issue.

libxml2 is updated frequently, with new releases released every three months and security fixes implemented in every release. There are also libxml2 branches with less frequent updates and with features turned off. This allows users to choose between the latest features and security as well as to stay on a libxml2 version with a longer maintenance period. LibXml2 can be used in a variety of applications, including web applications, desktop applications, and mobile applications.

Security issues in libxml2

The CVE-2022-23308 issue is an issue in libxml2 that has been fixed by Red Hat. The CVE-2018-1000199 issue is an issue in libxml2 that has not been addressed by Red Hat and is a vulnerability that was found to affect some websites.

Red Hat Enterprise Linux

Red Hat Enterprise Linux is a commercial operating system for servers and workstations, including the Red Hat Enterprise Linux Server. The software is based on the Fedora project and is compatible with it. Red Hat Enterprise Linux does not limit itself to a single server type; its use cases range from virtualization, cloud computing, and desktop environments to embedded systems. In fact, many of the most popular web servers are based on the Fedora kernel.

Platform Independence

LibXml2 is a platform-independent XML parser and toolkit. This means that it can be used with various platforms, including both Linux and Windows. This benefit helps companies that want to rely on their tools in the event of platform instability, such as the release of an update for the operating system.

LibXML2 APIs

LibXML2 is a library for parsing and generating XML documents. It is used by products as diverse as Google Search, Mozilla Thunderbird, and VLC media player. The CVE-2022-23308 vulnerability was discovered in the libxml2 library.

Libxml2 performance

Libxml2 is a cross-platform, C library designed to parse and generate XML documents. It offers high performance and full functionality.
In terms of performance, libxml2 can be twice as fast as the next best parsing library. In tests with real-world examples, libxml2 was found to be between twice and three times faster than the next best option in terms of parsing speed. In addition, libxml2 runs in both interpreted and compiled languages, making it even more attractive for speed.
The sheer number of different combinations that can be made with libxml2 makes it extremely customizable for a variety of needs. The different configurations available for this project allow for just about anything that you might want to do with the product.

References

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