Overview
- Description
- When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
- Source
- security@mozilla.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5.1
- Impact score
- 6.4
- Exploitability score
- 4.9
- Vector string
- AV:N/AC:H/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-672
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "05F82833-4C58-4D1A-B9FC-EDBE88FF93EA",
"versionEndExcluding": "88.0"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "88984706-ACE5-4873-AC24-9D1670EE94F5",
"versionEndExcluding": "78.10"
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "362E8881-7A6C-400C-A128-BBA57710F340",
"versionEndExcluding": "78.10"
}
],
"operator": "OR"
}
]
}
]