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USN-4278-1 (UBUNTU-CVE-2020-6796)
Vulnerability from osv_ubuntu – Published: 2020-02-13 22:31 – Updated: 2026-04-22 07:36 – Source websiteMultiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, conduct cross-site scripting (XSS) attacks, or execute arbitrary code.
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-6796",
"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-2020-6798",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-6800",
"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-2020-6801",
"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"
}
},
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"availability": "No subscription required",
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"binary_name": "firefox",
"binary_version": "73.0+build3-0ubuntu0.18.04.1"
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}
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"name": "firefox",
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},
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]
}
],
"aliases": [],
"details": "Multiple security issues were discovered in Firefox. If a user were tricked\nin to opening a specially crafted website, an attacker could potentially\nexploit these to cause a denial of service, conduct cross-site scripting\n(XSS) attacks, or execute arbitrary code.\n",
"id": "USN-4278-1",
"modified": "2026-04-22T07:36:38Z",
"published": "2020-02-13T22:31:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6796"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6798"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6800"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6801"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "firefox vulnerabilities",
"upstream": [
"UBUNTU-CVE-2020-6796",
"UBUNTU-CVE-2020-6798",
"UBUNTU-CVE-2020-6800",
"UBUNTU-CVE-2020-6801"
]
}
UBUNTU-CVE-2020-6796 (CVE-2020-6796)
Vulnerability from osv_ubuntu – Published: 2020-02-11 00:00 – Updated: 2026-04-22 07:39 – Source websiteA content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.
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}
]
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],
"aliases": [],
"details": "A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox \u003c 73 and Firefox \u003c ESR68.5.",
"id": "UBUNTU-CVE-2020-6796",
"modified": "2026-04-22T07:39:18Z",
"published": "2020-02-11T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6796"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-05/#CVE-2020-6796"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6796"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-1"
},
{
"type": "ADVISORY",
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},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-6796"
}
],
"related": [
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"USN-4278-2"
],
"schema_version": "1.7.0",
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"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"
}
],
"upstream": [
"CVE-2020-6796"
]
}
UBUNTU-CVE-2020-6798 (CVE-2020-6798)
Vulnerability from osv_ubuntu – Published: 2020-02-11 00:00 – Updated: 2026-04-22 07:39 – Source websiteIf a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be allowed. A site that relied on the browser behaving correctly could suffer a cross-site scripting vulnerability as a result. In general, this flaw cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but is potentially a risk in browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
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"availability": "No subscription required",
"binaries": [
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},
{
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},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "73.0.1+build1-0ubuntu0.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "firefox",
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},
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}
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"aliases": [],
"details": "If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be allowed. A site that relied on the browser behaving correctly could suffer a cross-site scripting vulnerability as a result. In general, this flaw cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but is potentially a risk in browser or browser-like contexts. This vulnerability affects Thunderbird \u003c 68.5, Firefox \u003c 73, and Firefox \u003c ESR68.5.",
"id": "UBUNTU-CVE-2020-6798",
"modified": "2026-04-22T07:39:18Z",
"published": "2020-02-11T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6798"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-05/#CVE-2020-6798"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6798"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/#CVE-2020-6798"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-2"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4328-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4335-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-6798"
}
],
"related": [
"USN-4278-1",
"USN-4278-2",
"USN-4328-1",
"USN-4335-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-6798"
]
}
UBUNTU-CVE-2020-6800 (CVE-2020-6800)
Vulnerability from osv_ubuntu – Published: 2020-02-11 00:00 – Updated: 2026-04-22 07:39 – Source websiteMozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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"aliases": [],
"details": "Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. This vulnerability affects Thunderbird \u003c 68.5, Firefox \u003c 73, and Firefox \u003c ESR68.5.",
"id": "UBUNTU-CVE-2020-6800",
"modified": "2026-04-22T07:39:19Z",
"published": "2020-02-11T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6800"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-05/#CVE-2020-6800"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6800"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/#CVE-2020-6800"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-2"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4328-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4335-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-6800"
}
],
"related": [
"USN-4278-1",
"USN-4278-2",
"USN-4328-1",
"USN-4335-1"
],
"schema_version": "1.7.0",
"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"
}
],
"upstream": [
"CVE-2020-6800"
]
}
UBUNTU-CVE-2020-6801 (CVE-2020-6801)
Vulnerability from osv_ubuntu – Published: 2020-02-11 00:00 – Updated: 2026-04-22 07:39 – Source websiteMozilla developers reported memory safety bugs present in Firefox 72. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 73.
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},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "73.0+build3-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "73.0+build3-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "73.0+build3-0ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@73.0+build3-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "73.0+build3-0ubuntu0.18.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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]
}
],
"aliases": [],
"details": "Mozilla developers reported memory safety bugs present in Firefox 72. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 73.",
"id": "UBUNTU-CVE-2020-6801",
"modified": "2026-04-22T07:39:19Z",
"published": "2020-02-11T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-6801"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-05/#CVE-2020-6801"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4278-2"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-6801"
}
],
"related": [
"USN-4278-1",
"USN-4278-2"
],
"schema_version": "1.7.0",
"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"
}
],
"upstream": [
"CVE-2020-6801"
]
}
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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.