{"id":"ALSA-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 AlmaLinux Release Notes linked from the References section.","modified":"2026-01-30T00:31:10.958953Z","published":"2023-11-07T00:00:00Z","related":["CVE-2020-12762"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:6431"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2020-12762"},{"type":"REPORT","url":"https://bugzilla.redhat.com/1835253"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2023-6431.html"}],"affected":[{"package":{"name":"libfastjson","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/libfastjson"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.9-5.el9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:6431.json"}},{"package":{"name":"libfastjson-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/libfastjson-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.9-5.el9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:6431.json"}}],"schema_version":"1.7.3"}