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CVE-2026-15719 Site isolation issue in the DOM: Navigation component

🗓️ 14 Jul 2026 12:15:47Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

CVE 2026-15719 fixes site isolation in the DOM navigation component; no known exploits; fixed in Firefox 152.0.6.

Related
Affected
Refs
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "115.38",
        "lessThanOrEqual": "115.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "140.13",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "152.0.6",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.13",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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