CVE-2024-4367

2024-05-1417:21:23

mozilla

github.com

pdf.js

font handling

javascript execution

firefox

thunderbird

AI Score

6.3

Confidence

Low

EPSS

Percentile

10.3%

SSVC

Exploitation

none

Automatable

Technical Impact

total

JSON

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:mozilla:thunderbird:-:*:*:*:*:*:*:*"
    ],
    "vendor": "mozilla",
    "product": "thunderbird",
    "versions": [
      {
        "status": "affected",
        "version": "-",
        "lessThan": "115.11",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:*"
    ],
    "vendor": "mozilla",
    "product": "firefox",
    "versions": [
      {
        "status": "affected",
        "version": "-",
        "lessThan": "126",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:mozilla:firefox_esr:-:*:*:*:*:*:*:*"
    ],
    "vendor": "mozilla",
    "product": "firefox_esr",
    "versions": [
      {
        "status": "affected",
        "version": "-",
        "lessThan": "115.11",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]