{"schemaVersion":3,"id":"USN-6015-1","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-2023-1945, CVE-2023-29548,\nCVE-2023-29550)\n\nPaul Menzel discovered that Thunderbird did not properly validate OCSP\nrevocation status of recipient certificates when sending S/Mime encrypted\nemail. An attacker could potentially exploits this issue to perform\nspoofing attack. (CVE-2023-0547)\n\nRibose RNP Team discovered that Thunderbird did not properly manage memory\nwhen parsing certain OpenPGP messages. An attacker could potentially\nexploits this issue to cause a denial of service. (CVE-2023-29479)\n\nIrvan Kurniawan discovered that Thunderbird did not properly manage\nfullscreen notifications using a combination of window.open, fullscreen\nrequests, window.name assignments, and setInterval calls. An attacker could\npotentially exploit this issue to perform spoofing attacks.\n(CVE-2023-29533)\n\nLukas Bernhard discovered that Thunderbird did not properly manage memory\nwhen doing Garbage Collector compaction. An attacker could potentially\nexploits this issue to cause a denial of service. (CVE-2023-29535)\n\nZx from qriousec discovered that Thunderbird did not properly validate the\naddress to free a pointer provided to the memory manager. An attacker could\npotentially exploits this issue to cause a denial of service.\n(CVE-2023-29536)\n\nTrung Pham discovered that Thunderbird did not properly validate the\nfilename directive in the Content-Disposition header. An attacker could\npossibly exploit this to perform reflected file download attacks\npotentially tricking users to install malware. (CVE-2023-29539)\n\nAmeen Basha M K discovered that Thunderbird did not properly validate\ndownloads of files ending in .desktop. An attacker could potentially\nexploits this issue to execute arbitrary code. (CVE-2023-29541)","dates":{"published":"2023-04-13T03:49:49.000Z","modified":"2026-04-22T10:34:31.606Z","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":"< 1:102.10.0+build2-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:102.10.0+build2-0ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:102.10.0+build2-0ubuntu0.22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:102.10.0+build2-0ubuntu0.18.04.1 | < 1:102.10.0+build2-0ubuntu0.20.04.1 | < 1:102.10.0+build2-0ubuntu0.22.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6015-1","label":"ubuntu.com/security/notices/USN-6015-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-0547","label":"ubuntu.com/security/CVE-2023-0547","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-1945","label":"ubuntu.com/security/CVE-2023-1945","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29479","label":"ubuntu.com/security/CVE-2023-29479","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29533","label":"ubuntu.com/security/CVE-2023-29533","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29535","label":"ubuntu.com/security/CVE-2023-29535","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29536","label":"ubuntu.com/security/CVE-2023-29536","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29539","label":"ubuntu.com/security/CVE-2023-29539","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29541","label":"ubuntu.com/security/CVE-2023-29541","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29548","label":"ubuntu.com/security/CVE-2023-29548","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-29550","label":"ubuntu.com/security/CVE-2023-29550","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-0547","CVE-2023-1945","CVE-2023-29479","CVE-2023-29533","CVE-2023-29535","CVE-2023-29536","CVE-2023-29539","CVE-2023-29541","CVE-2023-29548","CVE-2023-29550"],"downstream":[],"duplicates":[],"related":["CVE-2023-0547","CVE-2023-1945","CVE-2023-29479","CVE-2023-29533","CVE-2023-29535","CVE-2023-29536","CVE-2023-29539","CVE-2023-29541","CVE-2023-29548","CVE-2023-29550"]},"timeline":[{"kind":"published","date":"2023-04-13T03:49:49.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:34:31.606Z","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":"2026-10-19T15:08:37.032Z","stale":false,"partial":false}}