Files
vuln-ubuntu/data/osv/usn/USN-4323-1.json
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{
"schema_version": "1.7.0",
"id": "USN-4323-1",
"summary": "firefox vulnerabilities",
"details": "Multiple security issues were discovered in Firefox. If a user were\ntricked in to opening a specially crafted website, an attacker could\npotentially exploit these to cause a denial of service, obtain sensitive\ninformation, or execute arbitrary code. (CVE-2020-6821, CVE-2020-6822,\nCVE-2020-6824, CVE-2020-6825, CVE-2020-6826)\n\nIt was discovered that extensions could obtain auth codes from OAuth login\nflows in some circumstances. If a user were tricked in to installing a\nspecially crafted extension, an attacker could potentially exploit this to\nobtain access to the user's account. (CVE-2020-6823)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2020-6821",
"UBUNTU-CVE-2020-6822",
"UBUNTU-CVE-2020-6823",
"UBUNTU-CVE-2020-6824",
"UBUNTU-CVE-2020-6825",
"UBUNTU-CVE-2020-6826"
],
"related": [],
"published": "2020-04-07T17:34:29Z",
"modified": "2026-04-22T07:36:38Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@75.0+build3-0ubuntu0.16.04.1?arch=source&distro=xenial"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "75.0+build3-0ubuntu0.16.04.1"
}
]
}
],
"versions": [
"41.0.2+build2-0ubuntu1",
"42.0+build2-0ubuntu1",
"44.0+build3-0ubuntu2",
"44.0.1+build1-0ubuntu1",
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"74.0+build3-0ubuntu0.16.04.1",
"74.0.1+build1-0ubuntu0.16.04.1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "firefox",
"binary_version": "75.0+build3-0ubuntu0.16.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "75.0+build3-0ubuntu0.16.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "75.0+build3-0ubuntu0.16.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:16.04:LTS",
"cves": [
{
"id": "CVE-2020-6821",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2020-6822",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2020-6823",
"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-2020-6824",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2020-6825",
"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-2020-6826",
"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"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@75.0+build3-0ubuntu0.18.04.1?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "75.0+build3-0ubuntu0.18.04.1"
}
]
}
],
"versions": [
"56.0+build6-0ubuntu1",
"57.0.1+build2-0ubuntu1",
"59.0.1+build1-0ubuntu1",
"59.0.2+build1-0ubuntu1",
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],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "firefox",
"binary_version": "75.0+build3-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "75.0+build3-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "75.0+build3-0ubuntu0.18.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2020-6821",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2020-6822",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2020-6823",
"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-2020-6824",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2020-6825",
"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-2020-6826",
"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"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4323-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6821"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6822"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6823"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6824"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6825"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6826"
}
]
}