CVE-2020-26973
- Source
- https://cve.org/CVERecord?id=CVE-2020-26973
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26973.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-26973
- Downstream
- Related
- Published
- 2021-01-07T14:15:11.893Z
- Modified
- 2026-03-14T10:24:38.479762Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
- References
Affected packages
Git /
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "84.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "78.6.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "78.6.0"
}
]
}
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26973.json"