CVE-2023-25739

2023-06-0200:00:00

mozilla

www.cve.org

vulnerability

firefox

thunderbird

use-after-free

scriptloadcontext

cve-2023-25739

8.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

54.8%

JSON

Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in <code>ScriptLoadContext</code>. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "110",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Thunderbird",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "102.8",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Firefox ESR",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "102.8",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]