CVE-2018-5178

2018-06-1121:00:00

mozilla

www.cve.org

7.2 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.7%

JSON

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.

CNA Affected

[
  {
    "product": "Thunderbird ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.8",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.8",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.8",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]