{"id":"USN-6515-1","summary":"thunderbird vulnerabilities","details":"Multiple 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-2023-6206, CVE-2023-6212)\n\nIt was discovered that Thudnerbird did not properly manage memory when\nimages were created on the canvas element. An attacker could potentially\nexploit this issue to obtain sensitive information. (CVE-2023-6204)\n\nIt discovered that Thunderbird incorrectly handled certain memory when\nusing a MessagePort. An attacker could potentially exploit this issue to\ncause a denial of service. (CVE-2023-6205)\n\nIt discovered that Thunderbird incorrectly did not properly manage ownership\nin ReadableByteStreams. An attacker could potentially exploit this issue\nto cause a denial of service. (CVE-2023-6207)\n\nIt discovered that Thudnerbird incorrectly did not properly manage copy\noperations when using Selection API in X11. An attacker could potentially\nexploit this issue to obtain sensitive information. (CVE-2023-6208)\n\nRachmat Abdul Rokhim discovered that Thunderbird incorrectly handled\nparsing of relative URLS starting with \"///\". An attacker could potentially\nexploit this issue to cause a denial of service. (CVE-2023-6209)\n","modified":"2026-02-10T04:43:26Z","published":"2023-11-27T05:45:20Z","related":["UBUNTU-CVE-2023-6204","UBUNTU-CVE-2023-6205","UBUNTU-CVE-2023-6206","UBUNTU-CVE-2023-6207","UBUNTU-CVE-2023-6208","UBUNTU-CVE-2023-6209","UBUNTU-CVE-2023-6212"],"upstream":["CVE-2023-6204","CVE-2023-6205","CVE-2023-6206","CVE-2023-6207","CVE-2023-6208","CVE-2023-6209","CVE-2023-6212","UBUNTU-CVE-2023-6204","UBUNTU-CVE-2023-6205","UBUNTU-CVE-2023-6206","UBUNTU-CVE-2023-6207","UBUNTU-CVE-2023-6208","UBUNTU-CVE-2023-6209","UBUNTU-CVE-2023-6212"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6515-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6204"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6205"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6206"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6207"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6208"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6209"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6212"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:115.5.0+build1-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:115.5.0+build1-0ubuntu0.20.04.1"}]}],"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","1:68.8.0+build2-0ubuntu0.20.04.2","1:68.10.0+build1-0ubuntu0.20.04.1","1:78.7.1+build1-0ubuntu0.20.04.1","1:78.8.1+build1-0ubuntu0.20.04.1","1:78.11.0+build1-0ubuntu0.20.04.2","1:78.13.0+build1-0ubuntu0.20.04.2","1:78.14.0+build1-0ubuntu0.20.04.1","1:78.14.0+build1-0ubuntu0.20.04.2","1:91.5.0+build1-0ubuntu0.20.04.1","1:91.7.0+build2-0ubuntu0.20.04.1","1:91.8.1+build1-0ubuntu0.20.04.1","1:91.9.1+build1-0ubuntu0.20.04.1","1:91.11.0+build2-0ubuntu0.20.04.1","1:102.2.2+build1-0ubuntu0.20.04.1","1:102.4.2+build2-0ubuntu0.20.04.1","1:102.7.1+build2-0ubuntu0.20.04.1","1:102.8.0+build2-0ubuntu0.20.04.1","1:102.9.0+build1-0ubuntu0.20.04.1","1:102.10.0+build2-0ubuntu0.20.04.1","1:102.11.0+build1-0ubuntu0.20.04.1","1:102.13.0+build1-0ubuntu0.20.04.1","1:102.15.0+build1-0ubuntu0.20.04.1","1:102.15.1+build1-0ubuntu0.20.04.1","1:115.3.1+build1-0ubuntu0.20.04.1","1:115.4.1+build1-0ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:115.5.0+build1-0ubuntu0.20.04.1","binary_name":"thunderbird"},{"binary_version":"1:115.5.0+build1-0ubuntu0.20.04.1","binary_name":"thunderbird-dev"},{"binary_version":"1:115.5.0+build1-0ubuntu0.20.04.1","binary_name":"thunderbird-gnome-support"},{"binary_version":"1:115.5.0+build1-0ubuntu0.20.04.1","binary_name":"thunderbird-mozsymbols"},{"binary_version":"1:115.5.0+build1-0ubuntu0.20.04.1","binary_name":"xul-ext-calendar-timezones"},{"binary_version":"1:115.5.0+build1-0ubuntu0.20.04.1","binary_name":"xul-ext-gdata-provider"},{"binary_version":"1:115.5.0+build1-0ubuntu0.20.04.1","binary_name":"xul-ext-lightning"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-6204","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6205","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6206","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6207","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6208","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6209","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6212","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6515-1.json"}},{"package":{"name":"thunderbird","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:115.5.0+build1-0ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:115.5.0+build1-0ubuntu0.22.04.1"}]}],"versions":["1:91.1.2+build1-0ubuntu1","1:91.3.0+build2-0ubuntu1","1:91.3.1+build1-0ubuntu1","1:91.3.2+build1-0ubuntu1","1:91.4.0+build1.1-0ubuntu1","1:91.4.0+build2-0ubuntu1","1:91.5.0+build1-0ubuntu1","1:91.5.1+build1-0ubuntu1","1:91.6.1+build1-0ubuntu1","1:91.7.0+build1-0ubuntu1","1:91.7.0+build2-0ubuntu1","1:91.8.0+build2-0ubuntu1","1:91.9.1+build1-0ubuntu0.22.04.1","1:91.11.0+build2-0ubuntu0.22.04.1","1:102.2.2+build1-0ubuntu0.22.04.1","1:102.4.2+build2-0ubuntu0.22.04.1","1:102.7.1+build2-0ubuntu0.22.04.1","1:102.8.0+build2-0ubuntu0.22.04.1","1:102.9.0+build1-0ubuntu0.22.04.1","1:102.10.0+build2-0ubuntu0.22.04.1","1:102.11.0+build1-0ubuntu0.22.04.1","1:102.13.0+build1-0ubuntu0.22.04.1","1:102.15.0+build1-0ubuntu0.22.04.1","1:102.15.1+build1-0ubuntu0.22.04.1","1:115.3.1+build1-0ubuntu0.22.04.2","1:115.4.1+build1-0ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:115.5.0+build1-0ubuntu0.22.04.1","binary_name":"thunderbird"},{"binary_version":"1:115.5.0+build1-0ubuntu0.22.04.1","binary_name":"thunderbird-dev"},{"binary_version":"1:115.5.0+build1-0ubuntu0.22.04.1","binary_name":"thunderbird-gnome-support"},{"binary_version":"1:115.5.0+build1-0ubuntu0.22.04.1","binary_name":"thunderbird-mozsymbols"},{"binary_version":"1:115.5.0+build1-0ubuntu0.22.04.1","binary_name":"xul-ext-calendar-timezones"},{"binary_version":"1:115.5.0+build1-0ubuntu0.22.04.1","binary_name":"xul-ext-gdata-provider"},{"binary_version":"1:115.5.0+build1-0ubuntu0.22.04.1","binary_name":"xul-ext-lightning"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-6204","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6205","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6206","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6207","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6208","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6209","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2023-6212","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6515-1.json"}}],"schema_version":"1.7.3"}