RHSA-2021:4382 — Security Advisory

Red Hat Security Advisory: json-c security and bug fix update

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Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · November 10, 2021

Updated · June 27, 2026

Topic

An update for json-c is now available for Red Hat Enterprise Linux 8.

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

JSON-C implements a reference counting object model that allows users to easily construct JavaScript Object Notation (JSON) objects in C, output them as JSON formatted strings, and parse JSON formatted strings back into the C representation of JSON objects.

Security Fix(es):

  • json-c: 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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Related CVEs

RHSA-2021:4382 — Red Hat Security Advisory: json-c security and bug fix update | PulseLinux