CVE-2017-7793

2018-06-1121:00:00

mozilla

www.cve.org

8.3 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

76.7%

JSON

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "56",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]