{"id":"CVE-2023-49552","details":"An Out of Bounds Write in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_stringify function in the msj.c file.","modified":"2026-08-12T03:51:21.015976542Z","published":"2024-01-02T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49552.json","cna_assigner":"mitre"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49552.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49552"},{"type":"REPORT","url":"https://github.com/cesanta/mjs/issues/256"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cesanta/mjs","events":[{"introduced":"b1b6eac6b1e5b830a5cb14f8f4dc690ef3162551"},{"last_affected":"b1b6eac6b1e5b830a5cb14f8f4dc690ef3162551"}],"database_specific":{"extracted_events":[{"introduced":"2.20.0"},{"last_affected":"2.20.0"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:cesanta:mjs:2.20.0:*:*:*:*:*:*:*"}}],"versions":["2.20.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-49552.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}