{"schemaVersion":3,"id":"USN-8219-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"ujson vulnerabilities\n\nCameron Criswell discovered that UltraJSON contained a memory leak\nthat would occur when parsing large integers. An attacker could\npossibly use this issue to cause UltraJSON to crash, resulting in a\ndenial of service. This issue only affected Ubuntu 24.04 LTS,\nUbuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-32874)\n\nIt was discovered that UltraJSON contained integer overflow/underflow\nissues when calculating how much memory to reserve for indentation in\ncertain instances. An attacker could possibly use this issue to cause\nUltraJSON to crash, resulting in a denial of service. (CVE-2026-32875)","dates":{"published":"2026-04-28T17:32:43.000Z","modified":"2026-06-30T18:15:55.859Z","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":"< 5.1.0-1ubuntu0.1~esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 5.9.0-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 5.10.0-1ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 5.11.0-3ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.1.0-1ubuntu0.1~esm2 | < 5.9.0-1ubuntu0.1~esm1 | < 5.10.0-1ubuntu0.1 | < 5.11.0-3ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8219-1","label":"ubuntu.com/security/notices/USN-8219-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-32874","label":"ubuntu.com/security/CVE-2026-32874","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-32875","label":"ubuntu.com/security/CVE-2026-32875","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-32874","CVE-2026-32875"]},"timeline":[{"kind":"published","date":"2026-04-28T17:32:43.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-30T18:15:55.859Z","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":"2026-10-20T19:34:59.006Z","stale":false,"partial":false}}