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Medium RLSA-2023:6431 1 CVE

Moderate: libfastjson security update

Published Jun 25, 2026 · Updated Jun 25, 2026

Summary

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.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 9.3 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 libfastjson 0:0.99.9-5.el9

Vulnerabilities 1

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1835253