CVE-2023-4576

2023-09-1108:00:51

mozilla

www.cve.org

windows

integer overflow

heap buffer overflow

sensitive data leak

sandbox escape

firefox

thunderbird

vulnerability

8.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.7%

JSON

On Windows, an integer overflow could occur in RecordedSourceSurfaceCreation which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape.
This bug only affects Firefox on Windows. Other operating systems are unaffected. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "117",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "102.15",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "115.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "102.15",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "115.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]