{"schemaVersion":3,"id":"USN-6368-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"thunderbird vulnerabilities\n\nMultiple security issues were discovered in Thunderbird. If a user were\ntricked into opening a specially crafted website in a browsing context, an\nattacker could potentially exploit these to cause a denial of service,\nobtain sensitive information, bypass security restrictions, cross-site\ntracing, or execute arbitrary code. (CVE-2023-4573, CVE-2023-4574,\nCVE-2023-4575, CVE-2023-4581, CVE-2023-4584)\n\nIt was discovered that Thunderbird did not properly manage memory when\nhandling WebP images. If a user were tricked into opening a malicious WebP\nimage file, an attacker could potentially exploit these to cause a denial\nof service or execute arbitrary code. (CVE-2023-4863)","dates":{"published":"2023-09-14T03:30:51.000Z","modified":"2026-04-22T10:38:55.980Z","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":"< 1:102.15.1+build1-0ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:102.15.1+build1-0ubuntu0.22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:102.15.1+build1-0ubuntu0.20.04.1 | < 1:102.15.1+build1-0ubuntu0.22.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6368-1","label":"ubuntu.com/security/notices/USN-6368-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-4573","label":"ubuntu.com/security/CVE-2023-4573","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-4574","label":"ubuntu.com/security/CVE-2023-4574","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-4575","label":"ubuntu.com/security/CVE-2023-4575","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-4581","label":"ubuntu.com/security/CVE-2023-4581","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-4584","label":"ubuntu.com/security/CVE-2023-4584","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-4863","label":"ubuntu.com/security/CVE-2023-4863","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-4573","CVE-2023-4574","CVE-2023-4575","CVE-2023-4581","CVE-2023-4584","CVE-2023-4863"],"downstream":[],"duplicates":[],"related":["CVE-2023-4573","CVE-2023-4574","CVE-2023-4575","CVE-2023-4581","CVE-2023-4584","CVE-2023-4863"]},"timeline":[{"kind":"published","date":"2023-09-14T03:30:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:38:55.980Z","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":"2026-10-20T23:48:11.272Z","stale":false,"partial":false}}