CVE-2021-29961

2021-06-2413:15:55

mozilla

www.cve.org

5.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.8%

JSON

When styling and rendering an oversized <select> element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface. This vulnerability affects Firefox < 89.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "89",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]