The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1154.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: libfastjson security update
Advisory ID:        RHSA-2024:1154-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:1154
Issue date:         2024-03-05
Revision:           03
CVE Names:          CVE-2020-12762
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Summary: 
An update for libfastjson is now available for Red Hat Enterprise Linux 9.0 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 libfastjson library provides essential JavaScript Object Notation (JSON) handling functions. The library enables users to construct JSON objects in C, output them as JSON-formatted strings, and convert JSON-formatted strings back to the C representation of JSON objects.
Security Fix(es):
* json-c, libfastjson: integer overflow and out-of-bounds write via a large JSON file (CVE-2020-12762)
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-2020-12762
References:
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=1835253