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{
"schema_version": "1.7.0",
"id": "USN-4202-2",
"summary": "thunderbird regression",
"details": "USN-4202-1 fixed vulnerabilities in Thunderbird. After upgrading, Thunderbird\ncreated a new profile for some users. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that a specially crafted S/MIME message with an inner\n encryption layer could be displayed as having a valid signature in some\n circumstances, even if the signer had no access to the encrypted message.\n An attacker could potentially exploit this to spoof the message author.\n (CVE-2019-11755)\n \n Multiple security issues were discovered in Thunderbird. If a user were\n tricked in to opening a specially crafted website in a browsing context,\n an attacker could potentially exploit these to cause a denial of service,\n bypass security restrictions, bypass same-origin restrictions, conduct\n cross-site scripting (XSS) attacks, or execute arbitrary code.\n (CVE-2019-11757, CVE-2019-11758, CVE-2019-11759, CVE-2019-11760,\n CVE-2019-11761, CVE-2019-11762, CVE-2019-11763, CVE-2019-11764)\n \n A heap overflow was discovered in the expat library in Thunderbird. If a\n user were tricked in to opening a specially crafted message, an attacker\n could potentially exploit this to cause a denial of service, or execute\n arbitrary code. (CVE-2019-15903)\n",
"aliases": [],
"upstream": [],
"related": [],
"published": "2019-12-10T20:33:32Z",
"modified": "2026-04-22T07:36:38Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:68.2.2+build1-0ubuntu0.18.04.1?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:68.2.2+build1-0ubuntu0.18.04.1"
}
]
}
],
"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"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:68.2.2+build1-0ubuntu0.18.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:68.2.2+build1-0ubuntu0.18.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:68.2.2+build1-0ubuntu0.18.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:68.2.2+build1-0ubuntu0.18.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:68.2.2+build1-0ubuntu0.18.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:68.2.2+build1-0ubuntu0.18.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": []
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4202-2"
},
{
"type": "REPORT",
"url": "https://launchpad.net/bugs/1854150"
}
]
}