CVE-2019-9821

2019-07-2313:23:21

mozilla

www.cve.org

AI Score

5.4

Confidence

High

EPSS

0.002

Percentile

64.7%

JSON

A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "67",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]