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CVE-2026-7321

🗓️ 28 Apr 2026 13:49:12Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 90 Views

Sandbox escape from WebRTC Networking boundary errors fixed in Firefox extended support release.

Related
Detection
Affected
Refs
NVD
Node
mozillafirefoxRange<140.10.1esr
OR
mozillafirefoxRange<150.0-
OR
mozillathunderbirdRange<140.10.1esr
OR
mozillathunderbirdRange<150.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.10.1",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "150",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.10.1",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "150",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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17 Jun 2026 11:02Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.19.6
EPSS0.00258
SSVC
90