CVE-2024-7521

2024-08-0613:15:57

CWE-755

mozilla

web.nvd.nist.gov

webassembly

exception handling

use-after-free

firefox.

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

36.5%

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.

Affected configurations

Nvd

Vulners

Vulnrichment

Node

mozillafirefoxRange<129.0

mozillafirefox_esrRange<115.14.0

mozillafirefox_esrMatch128.0

mozillathunderbirdRange<115.14.0

mozillathunderbirdMatch128.0.1

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillafirefox_esr128.0cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozillathunderbird128.0.1cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::
mozilla	firefox_esr	*	cpe:2.3:a:mozilla:firefox_esr::::::::
mozilla	firefox_esr	128.0	cpe:2.3:a:mozilla:firefox_esr:128.0:::::::*
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::
mozilla	thunderbird	128.0.1	cpe:2.3:a:mozilla:thunderbird:128.0.1:::::::*

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "129",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "115.14",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "128.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "128.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "115.14",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]