CVE-2022-45407

2022-12-2200:00:00

mozilla

www.cve.org

font loading

firefox

vulnerability

8.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.2%

JSON

If an attacker loaded a font using <code>FontFace()</code> on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash. This vulnerability affects Firefox < 107.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "107",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]