{"schemaVersion":3,"id":"USN-3927-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"thunderbird vulnerabilities\n\nIt was discovered that Thunderbird allowed PAC files to specify that\nrequests to localhost are sent through the proxy to another server. If\nproxy auto-detection is enabled, an attacker could potentially exploit\nthis to conduct attacks on local services and tools. (CVE-2018-18506)\n\nMultiple security issues were discovered in Thunderbird. If a user were\ntricked in to opening a specially crafted website in a browsing context,\nan attacker could potentially exploit these to cause a denial of service,\nor execute arbitrary code. (CVE-2019-9788, CVE-2019-9790, CVE-2019-9791,\nCVE-2019-9792, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813)\n\nA mechanism was discovered that removes some bounds checking for string,\narray, or typed array accesses if Spectre mitigations have been disabled.\nIf a user were tricked in to opening a specially crafted website in a\nbrowsing context with Spectre mitigations disabled, an attacker could\npotentially exploit this to cause a denial of service, or execute\narbitrary code. (CVE-2019-9793)","dates":{"published":"2019-03-28T20:04:38.000Z","modified":"2026-04-22T09:55:12.723Z","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":"thunderbird","name":"thunderbird","label":"thunderbird","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/thunderbird","purlType":"deb","versions":[{"text":"< 1:60.6.1+build2-0ubuntu0.14.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:60.6.1+build2-0ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:60.6.1+build2-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:60.6.1+build2-0ubuntu0.14.04.1 | < 1:60.6.1+build2-0ubuntu0.16.04.1 | < 1:60.6.1+build2-0ubuntu0.18.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3927-1","label":"ubuntu.com/security/notices/USN-3927-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-18506","label":"ubuntu.com/security/CVE-2018-18506","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9788","label":"ubuntu.com/security/CVE-2019-9788","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9790","label":"ubuntu.com/security/CVE-2019-9790","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9791","label":"ubuntu.com/security/CVE-2019-9791","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9792","label":"ubuntu.com/security/CVE-2019-9792","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9793","label":"ubuntu.com/security/CVE-2019-9793","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9795","label":"ubuntu.com/security/CVE-2019-9795","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9796","label":"ubuntu.com/security/CVE-2019-9796","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9810","label":"ubuntu.com/security/CVE-2019-9810","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9813","label":"ubuntu.com/security/CVE-2019-9813","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-18506","CVE-2019-9788","CVE-2019-9790","CVE-2019-9791","CVE-2019-9792","CVE-2019-9793","CVE-2019-9795","CVE-2019-9796","CVE-2019-9810","CVE-2019-9813"],"downstream":[],"duplicates":[],"related":["CVE-2018-18506","CVE-2019-9788","CVE-2019-9790","CVE-2019-9791","CVE-2019-9792","CVE-2019-9793","CVE-2019-9795","CVE-2019-9796","CVE-2019-9810","CVE-2019-9813"]},"timeline":[{"kind":"published","date":"2019-03-28T20:04:38.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:55:12.723Z","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":"2026-10-20T12:04:34.315Z","stale":false,"partial":false}}