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CVE-2025-10537 Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

🗓️ 16 Sep 2025 12:26:37Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

CVE-2025-10537 memory safety bugs in Firefox and Thunderbird that could allow arbitrary code execution.

Related
Affected
Refs
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.3",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "143",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.3",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "143",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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