CVE-2024-7521

2024-08-0612:38:13

mozilla

github.com

webassembly firefox vulnerability exception handing use-after-free

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

36.5%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

total

JSON

Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

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": "115.14",
        "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"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Thunderbird",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified",
        "lessThan": "115.14",
        "versionType": "custom"
      }
    ]
  }
]

ADP Affected

[
  {
    "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:firefox_esr:*:*:*:*:*:*:*:*"
    ],
    "vendor": "mozilla",
    "product": "firefox_esr",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "115.14",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "128.1",
        "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"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "115.14",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]