The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0413.json

Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




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Red Hat Security Advisory

Synopsis:           Moderate: libxml2 security update
Advisory ID:        RHSA-2024:0413-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:0413
Issue date:         2024-01-25
Revision:           03
CVE Names:          CVE-2022-40303
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Summary: 

An update for libxml2 is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.




Description:

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

* libxml2: integer overflows with XML_PARSE_HUGE (CVE-2022-40303)

* libxml2: dict corruption caused by entity reference cycles (CVE-2022-40304)

* libxml2: NULL dereference in xmlSchemaFixupComplexType (CVE-2023-28484)

* libxml2: Hashing of empty dict strings isn't deterministic (CVE-2023-29469)

* libxml2: crafted xml can cause global buffer overflow (CVE-2023-39615)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


Solution:

https://access.redhat.com/articles/11258



CVEs:

CVE-2022-40303

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2136266
https://bugzilla.redhat.com/show_bug.cgi?id=2136288
https://bugzilla.redhat.com/show_bug.cgi?id=2185984
https://bugzilla.redhat.com/show_bug.cgi?id=2185994
https://bugzilla.redhat.com/show_bug.cgi?id=2235864