MozillaCVELIST:CVE-2020-26973

HistoryJan 07, 2021 - 1:53 p.m.

CVE-2020-26973

2021-01-0713:53:21

mozilla

www.cve.org

8.2 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.1%

JSON

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.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "84",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "78.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "78.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

bugzilla.mozilla.org/show_bug.cgi?id=1680084

CVE-2020-26973

CNA Affected

References

Related