{"schemaVersion":3,"id":"USN-7973-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"cjson vulnerabilities\n\nIt was discovered that cJSON incorrectly handled parsing large numbers. An\nattacker could possibly use this issue to cause a denial of service.\n(CVE-2023-26819)\n\nIt was discovered that cJSON may perform out-of-bounds read when processing\nspecially crafted JSON files using parse_object. An attacker could possibly\nuse this issue to expose sensitive information or crash the program.\n(CVE-2023-53154)\n\nIt was discovered that cJSON incorrectly validated array indices in JSON\npointers, which could result in an out-of-bounds memory access. An attacker\ncould possibly use this issue to cause a denial of service, or execute\narbitrary code. (CVE-2025-57052)","dates":{"published":"2026-01-23T04:53:55.000Z","modified":"2026-04-27T18:34:23.159Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"cjson","name":"cjson","label":"cjson","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/cjson","purlType":"deb","versions":[{"text":"< 1.7.10-1.1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.7.15-1ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.7.17-1ubuntu0.1~esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 1.7.18-3.1ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.7.10-1.1ubuntu0.1~esm1 | < 1.7.15-1ubuntu0.1 | < 1.7.17-1ubuntu0.1~esm3 | < 1.7.18-3.1ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7973-1","label":"ubuntu.com/security/notices/USN-7973-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-26819","label":"ubuntu.com/security/CVE-2023-26819","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-53154","label":"ubuntu.com/security/CVE-2023-53154","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-57052","label":"ubuntu.com/security/CVE-2025-57052","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-26819","CVE-2023-53154","CVE-2025-57052"],"downstream":[],"duplicates":[],"related":["CVE-2023-26819","CVE-2023-53154","CVE-2025-57052"]},"timeline":[{"kind":"published","date":"2026-01-23T04:53:55.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T18:34:23.159Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T16:16:53.556Z","stale":false,"partial":false}}