usn-5074-1
Vulnerability from osv_ubuntu
Published
2021-09-09 18:42
Modified
2026-04-22 07:37
Summary
firefox vulnerabilities
Details
Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, bypass mixed content blocking, or execute arbitrary code.
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-38491",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-38493",
"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-2021-38494",
"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"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "92.0+build3-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "92.0+build3-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "92.0+build3-0ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@92.0+build3-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "92.0+build3-0ubuntu0.18.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"56.0+build6-0ubuntu1",
"57.0.1+build2-0ubuntu1",
"59.0.1+build1-0ubuntu1",
"59.0.2+build1-0ubuntu1",
"60.0+build2-0ubuntu1",
"60.0.1+build2-0ubuntu0.18.04.1",
"60.0.2+build1-0ubuntu0.18.04.1",
"61.0+build3-0ubuntu0.18.04.1",
"61.0.1+build1-0ubuntu0.18.04.1",
"62.0+build2-0ubuntu0.18.04.3",
"62.0+build2-0ubuntu0.18.04.4",
"62.0+build2-0ubuntu0.18.04.5",
"62.0.3+build1-0ubuntu0.18.04.1",
"63.0+build2-0ubuntu0.18.04.2",
"63.0.3+build1-0ubuntu0.18.04.1",
"64.0+build3-0ubuntu0.18.04.1",
"65.0+build2-0ubuntu0.18.04.1",
"65.0.1+build2-0ubuntu0.18.04.1",
"66.0+build3-0ubuntu0.18.04.1",
"66.0.1+build1-0ubuntu0.18.04.1",
"66.0.2+build1-0ubuntu0.18.04.1",
"66.0.3+build1-0ubuntu0.18.04.1",
"66.0.4+build3-0ubuntu0.18.04.1",
"66.0.5+build1-0ubuntu0.18.04.1",
"67.0+build2-0ubuntu0.18.04.1",
"67.0.1+build1-0ubuntu0.18.04.1",
"67.0.2+build2-0ubuntu0.18.04.1",
"67.0.3+build1-0ubuntu0.18.04.1",
"67.0.4+build1-0ubuntu0.18.04.1",
"68.0+build3-0ubuntu0.18.04.1",
"68.0.1+build1-0ubuntu0.18.04.1",
"68.0.2+build1-0ubuntu0.18.04.1",
"69.0+build2-0ubuntu0.18.04.1",
"69.0.1+build1-0ubuntu0.18.04.1",
"69.0.2+build1-0ubuntu0.18.04.1",
"70.0+build2-0ubuntu0.18.04.1",
"70.0.1+build1-0ubuntu0.18.04.1",
"71.0+build5-0ubuntu0.18.04.1",
"72.0.1+build1-0ubuntu0.18.04.1",
"72.0.2+build1-0ubuntu0.18.04.1",
"73.0+build3-0ubuntu0.18.04.1",
"73.0.1+build1-0ubuntu0.18.04.1",
"74.0+build3-0ubuntu0.18.04.1",
"74.0.1+build1-0ubuntu0.18.04.1",
"75.0+build3-0ubuntu0.18.04.1",
"76.0+build2-0ubuntu0.18.04.1",
"76.0.1+build1-0ubuntu0.18.04.1",
"77.0.1+build1-0ubuntu0.18.04.1",
"78.0.1+build1-0ubuntu0.18.04.1",
"78.0.2+build2-0ubuntu0.18.04.1",
"79.0+build1-0ubuntu0.18.04.1",
"80.0+build2-0ubuntu0.18.04.1",
"80.0.1+build1-0ubuntu0.18.04.1",
"81.0+build2-0ubuntu0.18.04.1",
"81.0.2+build1-0ubuntu0.18.04.1",
"82.0+build2-0ubuntu0.18.04.1",
"82.0.2+build1-0ubuntu0.18.04.1",
"82.0.3+build1-0ubuntu0.18.04.1",
"83.0+build2-0ubuntu0.18.04.2",
"84.0+build3-0ubuntu0.18.04.1",
"84.0.1+build1-0ubuntu0.18.04.1",
"84.0.2+build1-0ubuntu0.18.04.1",
"85.0+build1-0ubuntu0.18.04.1",
"85.0.1+build1-0ubuntu0.18.04.1",
"86.0+build3-0ubuntu0.18.04.1",
"86.0.1+build1-0ubuntu0.18.04.1",
"87.0+build3-0ubuntu0.18.04.2",
"88.0+build2-0ubuntu0.18.04.2",
"88.0.1+build1-0ubuntu0.18.04.2",
"89.0+build2-0ubuntu0.18.04.2",
"89.0.1+build1-0ubuntu0.18.04.1",
"89.0.2+build1-0ubuntu0.18.04.1",
"90.0+build1-0ubuntu0.18.04.1",
"90.0.2+build1-0ubuntu0.18.04.1",
"91.0+build2-0ubuntu0.18.04.1",
"91.0.1+build1-0ubuntu0.18.04.1",
"91.0.2+build1-0ubuntu0.18.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-38491",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-38493",
"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-2021-38494",
"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"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "92.0+build3-0ubuntu0.20.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "92.0+build3-0ubuntu0.20.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "92.0+build3-0ubuntu0.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@92.0+build3-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "92.0+build3-0ubuntu0.20.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"69.0.3+build1-0ubuntu1",
"70.0+build2-0ubuntu1",
"70.0+build2-0ubuntu2",
"70.0.1+build1-0ubuntu2",
"71.0+build2-0ubuntu2",
"71.0+build5-0ubuntu1",
"72.0.1+build1-0ubuntu1",
"72.0.2+build1-0ubuntu1",
"73.0+build1-0ubuntu1",
"73.0+build2-0ubuntu1",
"73.0+build3-0ubuntu1",
"73.0.1+build1-0ubuntu1",
"74.0+build1-0ubuntu1",
"74.0+build2-0ubuntu1",
"74.0+build2-0ubuntu2",
"74.0+build3-0ubuntu1",
"75.0+build3-0ubuntu1",
"76.0+build2-0ubuntu0.20.04.1",
"76.0.1+build1-0ubuntu0.20.04.1",
"77.0.1+build1-0ubuntu0.20.04.1",
"78.0.1+build1-0ubuntu0.20.04.1",
"78.0.2+build2-0ubuntu0.20.04.1",
"79.0+build1-0ubuntu0.20.04.1",
"80.0+build2-0ubuntu0.20.04.1",
"80.0.1+build1-0ubuntu0.20.04.1",
"81.0+build2-0ubuntu0.20.04.1",
"81.0.2+build1-0ubuntu0.20.04.1",
"82.0+build2-0ubuntu0.20.04.1",
"82.0.2+build1-0ubuntu0.20.04.1",
"82.0.3+build1-0ubuntu0.20.04.1",
"83.0+build2-0ubuntu0.20.04.1",
"84.0+build3-0ubuntu0.20.04.1",
"84.0.1+build1-0ubuntu0.20.04.1",
"84.0.2+build1-0ubuntu0.20.04.1",
"85.0+build1-0ubuntu0.20.04.1",
"85.0.1+build1-0ubuntu0.20.04.1",
"86.0+build3-0ubuntu0.20.04.1",
"86.0.1+build1-0ubuntu0.20.04.1",
"87.0+build3-0ubuntu0.20.04.2",
"88.0+build2-0ubuntu0.20.04.1",
"88.0.1+build1-0ubuntu0.20.04.2",
"89.0+build2-0ubuntu0.20.04.2",
"89.0.1+build1-0ubuntu0.20.04.1",
"89.0.2+build1-0ubuntu0.20.04.1",
"90.0+build1-0ubuntu0.20.04.1",
"90.0.2+build1-0ubuntu0.20.04.1",
"91.0+build2-0ubuntu0.20.04.1",
"91.0.1+build1-0ubuntu0.20.04.1",
"91.0.2+build1-0ubuntu0.20.04.1"
]
}
],
"aliases": [],
"details": "Multiple security issues were discovered in Firefox. If a user were\ntricked into opening a specially crafted website, an attacker could\npotentially exploit these to cause a denial of service, bypass mixed\ncontent blocking, or execute arbitrary code.\n",
"id": "USN-5074-1",
"modified": "2026-04-22T07:37:00Z",
"published": "2021-09-09T18:42:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5074-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38491"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38493"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38494"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "firefox vulnerabilities",
"upstream": [
"UBUNTU-CVE-2021-38491",
"UBUNTU-CVE-2021-38493",
"UBUNTU-CVE-2021-38494"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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