{"id":"RLSA-2023:6431","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.","modified":"2026-06-25T12:30:04.218553315Z","published":"2026-06-25T12:03:37.665962Z","upstream":["CVE-2020-12762"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2023:6431"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1835253"}],"affected":[{"package":{"name":"libfastjson","ecosystem":"Rocky Linux:9","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"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:6431.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}