{"schema_version": "1.7.0", "id": "RLSA-2023:6431", "modified": "2026-06-25T12:06:30.533767Z", "published": "2026-06-25T12:03:37.665962Z", "upstream": ["CVE-2020-12762"], "summary": "Moderate: libfastjson security update", "details": "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.\n\nSecurity Fix(es):\n\n* json-c, libfastjson: integer overflow and out-of-bounds write via a large JSON file (CVE-2020-12762)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 9.3 Release Notes linked from the References section.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "libfastjson", "purl": "pkg:rpm/rocky-linux/libfastjson?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:0.99.9-5.el9"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2023:6431"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1835253"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}