{"schemaVersion":3,"id":"USN-4308-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"twisted vulnerabilities\n\nUSN-4308-1 fixed several vulnerabilities in Twisted. This update provides\nthe corresponding update for Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n it was discovered that Twisted incorrectly validated or sanitized certain\n URIs or HTTP methods. A remote attacker could use this issue to inject\n invalid characters and possibly perform header injection attacks.\n (CVE-2019-12387)\n\n It was discovered that Twisted incorrectly verified XMPP TLS certificates.\n A remote attacker could possibly use this issue to perform a\n machine-in-the-middle attack and obtain sensitive information. (CVE-2019-12855)\n\n Jake Miller and ZeddYu Lu discovered that Twisted incorrectly handled\n certain content-length headers. A remote attacker could possibly use this\n issue to perform HTTP request splitting attacks. (CVE-2020-10108,\n CVE-2020-10109)","dates":{"published":"2020-03-30T12:00:51.000Z","modified":"2026-02-10T04:41:48.000Z","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":"twisted","name":"twisted","label":"twisted","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/twisted","purlType":"deb","versions":[{"text":"< 13.2.0-1ubuntu1.2+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 13.2.0-1ubuntu1.2+esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4308-2","label":"ubuntu.com/security/notices/USN-4308-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-12387","label":"ubuntu.com/security/CVE-2019-12387","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-12855","label":"ubuntu.com/security/CVE-2019-12855","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-10108","label":"ubuntu.com/security/CVE-2020-10108","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-10109","label":"ubuntu.com/security/CVE-2020-10109","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2019-12387","CVE-2019-12855","CVE-2020-10108","CVE-2020-10109"],"downstream":[],"duplicates":[],"related":["CVE-2019-12387","CVE-2019-12855","CVE-2020-10108","CVE-2020-10109"]},"timeline":[{"kind":"published","date":"2020-03-30T12:00:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:41:48.000Z","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":"2026-10-20T03:09:03.133Z","stale":false,"partial":false}}