{"schemaVersion":3,"id":"USN-4714-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libxstream-java vulnerabilities\n\nZhihong Tian and Hui Lu found that XStream was vulnerable to remote code\nexecution. A remote attacker could run arbitrary shell commands by\nmanipulating the processed input stream. (CVE-2020-26217)\n\nIt was discovered that XStream was vulnerable to server-side forgery attacks.\nA remote attacker could request data from internal resources that are not\npublicly available only by manipulating the processed input stream.\n(CVE-2020-26258)\n\nIt was discovered that XStream was vulnerable to arbitrary file deletion on\nthe local host. A remote attacker could use this to delete arbitrary known\nfiles on the host as long as the executing process had sufficient rights only\nby manipulating the processed input stream. (CVE-2020-26259)","dates":{"published":"2021-01-28T20:38:34.000Z","modified":"2026-02-10T04:42:02.000Z","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":"libxstream-java","name":"libxstream-java","label":"libxstream-java","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libxstream-java","purlType":"deb","versions":[{"text":"< 1.4.11.1-1~18.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.4.11.1-1ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4.11.1-1~18.04.1 | < 1.4.11.1-1ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4714-1","label":"ubuntu.com/security/notices/USN-4714-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-26217","label":"ubuntu.com/security/CVE-2020-26217","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-26258","label":"ubuntu.com/security/CVE-2020-26258","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-26259","label":"ubuntu.com/security/CVE-2020-26259","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-26217","CVE-2020-26258","CVE-2020-26259"],"downstream":[],"duplicates":[],"related":["CVE-2020-26217","CVE-2020-26258","CVE-2020-26259"]},"timeline":[{"kind":"published","date":"2021-01-28T20:38:34.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:42:02.000Z","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":"2026-10-20T19:35:13.475Z","stale":false,"partial":false}}