CVE-2018-5118

2018-06-1121:00:00

mozilla

www.cve.org

6.2 Medium

AI Score

Confidence

Low

0.003 Low

EPSS

Percentile

68.6%

JSON

The screenshot images displayed in the Activity Stream page displayed when a new tab is opened is created from the meta tags of websites. An issue was discovered where the page could attempt to create these images through “file:” URLs from the local file system. This loading is blocked by the sandbox but could expose local data if combined with another attack that escapes sandbox protections. This vulnerability affects Firefox < 58.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "58",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]