{"schemaVersion":3,"id":"USN-6629-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"ujson vulnerabilities\n\nIt was discovered that UltraJSON incorrectly handled certain input with\na large amount of indentation. An attacker could possibly use this issue\nto crash the program, resulting in a denial of service. (CVE-2021-45958)\n\nJake Miller discovered that UltraJSON incorrectly decoded certain\ncharacters. An attacker could possibly use this issue to cause key\nconfusion and overwrite values in dictionaries. (CVE-2022-31116)\n\nIt was discovered that UltraJSON incorrectly handled an error when\nreallocating a buffer for string decoding. An attacker could possibly\nuse this issue to corrupt memory. (CVE-2022-31117)","dates":{"published":"2024-02-14T01:41:18.000Z","modified":"2026-06-25T13:32:27.266Z","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":"ujson","name":"ujson","label":"ujson","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ujson","purlType":"deb","versions":[{"text":"< 1.33-1ubuntu0.1~esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.35-2ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 5.1.0-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.33-1ubuntu0.1~esm2 | < 1.35-2ubuntu0.1~esm1 | < 5.1.0-1ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6629-1","label":"ubuntu.com/security/notices/USN-6629-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-45958","label":"ubuntu.com/security/CVE-2021-45958","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-31116","label":"ubuntu.com/security/CVE-2022-31116","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-31117","label":"ubuntu.com/security/CVE-2022-31117","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-45958","CVE-2022-31116","CVE-2022-31117"],"downstream":[],"duplicates":[],"related":["CVE-2021-45958","CVE-2022-31116","CVE-2022-31117"]},"timeline":[{"kind":"published","date":"2024-02-14T01:41:18.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:32:27.266Z","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":"2026-10-20T22:29:26.796Z","stale":false,"partial":false}}