CVE-2024-7520

2024-08-0612:38:13

mozilla

github.com

webassembly

type confusion

code execution

firefox

vulnerability

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

30.4%

SSVC

Exploitation

none

Automatable

Technical Impact

total

JSON

A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified",
        "lessThan": "129",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Firefox ESR",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified",
        "lessThan": "128.1",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Thunderbird",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified",
        "lessThan": "128.1",
        "versionType": "custom"
      }
    ]
  }
]

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:mozilla:firefox_esr:-:*:*:*:*:*:*:*"
    ],
    "vendor": "mozilla",
    "product": "firefox_esr",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "128.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:*"
    ],
    "vendor": "mozilla",
    "product": "firefox",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "129",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:mozilla:thunderbird:-:*:*:*:*:*:*:*"
    ],
    "vendor": "mozilla",
    "product": "thunderbird",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "128.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]