{"id":"USN-4373-1","summary":"thunderbird vulnerabilities","details":"Multiple 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-2020-6831, CVE-2020-12387, CVE-2020-12395)\n\nIt was discovered that the Devtools’ ‘Copy as cURL’ feature did not\nproperly escape the HTTP POST data of a request. If a user were tricked\nin to using the ‘Copy as cURL’ feature to copy and paste a command with\nspecially crafted data in to a terminal, an attacker could potentially\nexploit this to obtain sensitive information from local files.\n(CVE-2020-12392)\n\nIt was discovered that Thunderbird did not correctly handle Unicode\nwhitespace characters within the From email header. An attacker could\npotentially exploit this to spoof the sender email address that\nThunderbird displays. (CVE-2020-12397)\n","modified":"2026-02-10T04:41:50Z","published":"2020-05-26T14:33:47Z","related":["UBUNTU-CVE-2020-12387","UBUNTU-CVE-2020-12392","UBUNTU-CVE-2020-12395","UBUNTU-CVE-2020-12397","UBUNTU-CVE-2020-6831"],"upstream":["CVE-2020-12387","CVE-2020-12392","CVE-2020-12395","CVE-2020-12397","CVE-2020-6831","UBUNTU-CVE-2020-12387","UBUNTU-CVE-2020-12392","UBUNTU-CVE-2020-12395","UBUNTU-CVE-2020-12397","UBUNTU-CVE-2020-6831"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4373-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-6831"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12387"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12392"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12395"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12397"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:68.8.0+build2-0ubuntu0.16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:68.8.0+build2-0ubuntu0.16.04.2"}]}],"versions":["1:38.3.0+build1-0ubuntu2","1:38.5.1+build2-0ubuntu1","1:38.6.0+build1-0ubuntu1","1:38.7.2+build1-0ubuntu0.16.04.1","1:38.8.0+build1-0ubuntu0.16.04.1","1:45.2.0+build1-0ubuntu0.16.04.1","1:45.3.0+build1-0ubuntu0.16.04.2","1:45.4.0+build1-0ubuntu0.16.04.1","1:45.5.1+build1-0ubuntu0.16.04.1","1:45.7.0+build1-0ubuntu0.16.04.1","1:45.8.0+build1-0ubuntu0.16.04.1","1:52.1.1+build1-0ubuntu0.16.04.1","1:52.2.1+build1-0ubuntu0.16.04.1","1:52.3.0+build1-0ubuntu0.16.04.1","1:52.4.0+build1-0ubuntu0.16.04.2","1:52.5.0+build1-0ubuntu0.16.04.1","1:52.6.0+build1-0ubuntu0.16.04.1","1:52.7.0+build1-0ubuntu0.16.04.1","1:52.8.0+build1-0ubuntu0.16.04.1","1:52.9.1+build3-0ubuntu0.16.04.1","1:60.2.1+build1-0ubuntu0.16.04.4","1:60.4.0+build2-0ubuntu0.16.04.1","1:60.5.1+build2-0ubuntu0.16.04.1","1:60.6.1+build2-0ubuntu0.16.04.1","1:60.7.0+build1-0ubuntu0.16.04.1","1:60.7.1+build1-0ubuntu0.16.04.1","1:60.7.2+build2-0ubuntu0.16.04.1","1:60.8.0+build1-0ubuntu0.16.04.2","1:60.9.0+build1-0ubuntu0.16.04.2","1:60.9.1+build1-0ubuntu0.16.04.1","1:68.7.0+build1-0ubuntu0.16.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"thunderbird","binary_version":"1:68.8.0+build2-0ubuntu0.16.04.2"},{"binary_name":"thunderbird-dev","binary_version":"1:68.8.0+build2-0ubuntu0.16.04.2"},{"binary_name":"thunderbird-gnome-support","binary_version":"1:68.8.0+build2-0ubuntu0.16.04.2"},{"binary_name":"thunderbird-mozsymbols","binary_version":"1:68.8.0+build2-0ubuntu0.16.04.2"},{"binary_name":"xul-ext-calendar-timezones","binary_version":"1:68.8.0+build2-0ubuntu0.16.04.2"},{"binary_name":"xul-ext-gdata-provider","binary_version":"1:68.8.0+build2-0ubuntu0.16.04.2"},{"binary_name":"xul-ext-lightning","binary_version":"1:68.8.0+build2-0ubuntu0.16.04.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-6831"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12387"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12392"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12395"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-12397"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4373-1.json"}},{"package":{"name":"thunderbird","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:68.8.0+build2-0ubuntu0.18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:68.8.0+build2-0ubuntu0.18.04.2"}]}],"versions":["1:52.4.0+build1-0ubuntu2","1:52.6.0+build1-0ubuntu1","1:52.7.0+build1-0ubuntu1","1:52.8.0+build1-0ubuntu0.18.04.1","1:52.9.1+build3-0ubuntu0.18.04.1","1:60.2.1+build1-0ubuntu0.18.04.2","1:60.4.0+build2-0ubuntu0.18.04.1","1:60.5.1+build2-0ubuntu0.18.04.1","1:60.6.1+build2-0ubuntu0.18.04.1","1:60.7.0+build1-0ubuntu0.18.04.1","1:60.7.1+build1-0ubuntu0.18.04.1","1:60.7.2+build2-0ubuntu0.18.04.1","1:60.8.0+build1-0ubuntu0.18.04.1","1:60.9.0+build1-0ubuntu0.18.04.1","1:68.2.1+build1-0ubuntu0.18.04.1","1:68.2.2+build1-0ubuntu0.18.04.1","1:68.4.1+build1-0ubuntu0.18.04.1","1:68.7.0+build1-0ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"thunderbird","binary_version":"1:68.8.0+build2-0ubuntu0.18.04.2"},{"binary_name":"thunderbird-dev","binary_version":"1:68.8.0+build2-0ubuntu0.18.04.2"},{"binary_name":"thunderbird-gnome-support","binary_version":"1:68.8.0+build2-0ubuntu0.18.04.2"},{"binary_name":"thunderbird-mozsymbols","binary_version":"1:68.8.0+build2-0ubuntu0.18.04.2"},{"binary_name":"xul-ext-calendar-timezones","binary_version":"1:68.8.0+build2-0ubuntu0.18.04.2"},{"binary_name":"xul-ext-gdata-provider","binary_version":"1:68.8.0+build2-0ubuntu0.18.04.2"},{"binary_name":"xul-ext-lightning","binary_version":"1:68.8.0+build2-0ubuntu0.18.04.2"}],"availability":"No 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required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-6831"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12387"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12392"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12395"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-12397"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4373-1.json"}},{"package":{"name":"thunderbird","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:68.8.0+build2-0ubuntu0.20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:68.8.0+build2-0ubuntu0.20.04.2"}]}],"versions":["1:68.1.2+build1-0ubuntu1","1:68.1.2+build1-0ubuntu2","1:68.2.1+build1-0ubuntu1","1:68.2.2+build1-0ubuntu1","1:68.3.0+build2-0ubuntu1","1:68.3.1+build1-0ubuntu2","1:68.4.1+build1-0ubuntu1","1:68.4.2+build2-0ubuntu1","1:68.5.0+build1-0ubuntu1","1:68.6.0+build2-0ubuntu1","1:68.7.0+build1-0ubuntu1","1:68.7.0+build1-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"thunderbird","binary_version":"1:68.8.0+build2-0ubuntu0.20.04.2"},{"binary_name":"thunderbird-dev","binary_version":"1:68.8.0+build2-0ubuntu0.20.04.2"},{"binary_name":"thunderbird-gnome-support","binary_version":"1:68.8.0+build2-0ubuntu0.20.04.2"},{"binary_name":"thunderbird-mozsymbols","binary_version":"1:68.8.0+build2-0ubuntu0.20.04.2"},{"binary_name":"xul-ext-calendar-timezones","binary_version":"1:68.8.0+build2-0ubuntu0.20.04.2"},{"binary_name":"xul-ext-gdata-provider","binary_version":"1:68.8.0+build2-0ubuntu0.20.04.2"},{"binary_name":"xul-ext-lightning","binary_version":"1:68.8.0+build2-0ubuntu0.20.04.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-6831"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12387"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12392"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12395"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-12397"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4373-1.json"}}],"schema_version":"1.7.3"}