CVE-2024-3859

2024-04-1615:14:07

mozilla

github.com

integer overflow

32-bit

opentype font

firefox

thunderbird

6.1 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%

JSON

On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified",
        "lessThan": "125",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Firefox ESR",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified",
        "lessThan": "115.10",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Thunderbird",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified",
        "lessThan": "115.10",
        "versionType": "custom"
      }
    ]
  }
]